Blockchain Capital

Blockchain Capital, founded in 2013 and based in California, is a leading venture capital firm focused on investing in blockchain technology and cryptocurrency-enabled companies. As one of the oldest and most active investors in the blockchain sector, the firm has financed over 75 companies and projects since its inception. Blockchain Capital is recognized for pioneering the first tokenized investment fund and the blockchain industry's inaugural security token. The firm provides entrepreneurs with essential resources, including capital, expertise, partnerships, and strategic support, to help them succeed in leveraging blockchain technology. By targeting investments across various stages and sectors within the blockchain economy, Blockchain Capital aims to support innovative projects that promise to disrupt traditional business models and create new markets.

Zalia Aliriza

Chief Financial Officer

Aleks Larsen

General Partner

JoAnne Lauer

Director of Investor Relations

Kinjal Shah

Senior Associate

Brad Stephens

Managing Partner

P. Bart Stephens

Managing Partner

Past deals in Blockchain

Gnosis

Venture Round in 2022
Gnosis offers a decentralized platform for prediction markets, leveraging Ethereum's blockchain technology to facilitate advanced smart contracts. This infrastructure aims to eliminate intermediaries and counterparty risks, supporting a vision of a redistributed future. Gnosis enables the creation of customized forecasting applications that produce conditional tokens, making event outcomes tradable and serving as a valuable tool for information discovery. By prioritizing credible neutrality and resiliency, Gnosis provides a transparent environment for clients to make informed decisions regarding the development and governance of their projects within the blockchain ecosystem.

Chainflip

Venture Round in 2022
Chainflip is a decentralized, trustless protocol that enables cross-chain swaps between different blockchains.

Teller

Venture Round in 2022
Teller is a United States-based blockchain project focused on decentralized lending. It facilitates access to risk-assessed loans by connecting directly to users' bank accounts, eliminating the need for collateral. This innovative approach aims to streamline the lending process and enhance financial accessibility for individuals seeking loans.

Forta Network

Venture Round in 2021
Forta Network is a developer of a security protocol aimed at preventing the exploitation of smart contracts within the blockchain ecosystem. The platform offers a decentralized, community-based security system that focuses on mitigating risks and detecting real-time threats, thus enabling users to secure their smart contracts effectively. As the blockchain landscape has evolved, particularly with the rise of programmable networks, Forta Network addresses a critical need by enhancing the safety of smart contracts for developers and users alike. By leveraging its innovative approach, the company contributes to the broader goal of ensuring secure interactions within the blockchain market.

Abra

Series C in 2021
Abra is a digital cash, peer-to-peer money transfer network that enables users to buy, sell, and hold bitcoin, as well as send both bitcoin and fiat currencies to any bitcoin wallet or other Abra users. Founded in 2014 by Bill Barhydt, the company leverages bitcoin and blockchain technology to facilitate transactions in over 50 currencies. Abra aims to provide a secure and instant method for transferring money, allowing users to do so without incurring fees through its mobile platform. Based in Silicon Valley, Abra is focused on transforming the way money moves globally.

Parallel Finance

Series A in 2021
Parallel Finance is a decentralized finance (DeFi) protocol that offers lending and staking services.

Bitwave

Seed Round in 2021
Bitwave offers a comprehensive back-office software solution designed for businesses that utilize cryptocurrencies. The platform integrates directly with various accounting systems, including Xero, Quickbooks, Sage, and Netsuite, facilitating efficient bookkeeping and tax tracking. It supports multiple tax treatment methods, such as FIFO and LIFO, and includes features for mark-to-market accounting, crypto invoicing, and bill payments. Additionally, Bitwave provides a multi-user, multi-signature wallet that enhances compliance and governance for managing digital assets. By streamlining cryptocurrency tax, accounting, and compliance processes, Bitwave aims to help enterprises effectively manage their cryptocurrency finances while adapting to the evolving digital asset landscape.

TRM Labs

Series A in 2021
TRM Labs is a regulatory technology startup that aims to streamline compliance in the crypto industry.They believe that blockchain can enable a world where value flows freely by democratizing the creation of property rights, reducing transaction, bargaining, and coordination costs, and enabling new ways to organize human behavior.

Snickerdoodle Labs

Seed Round in 2021
Snickerdoodle is using blockchain technology to build a data economy that protects user privacy and distributes value to all stakeholders, including the data owners. We are building the infrastructure to allow people to own their data and monetize it in a secure way.

Balancer Labs

Initial Coin Offering in 2021
Balancer Labs, Inc operates an exchange for decentralized finance. The company offers a platform for programmable liquidity. It offers exchange tokens without deposits, bids/asks, and order management. Balancer Labs, Inc was founded in 2018 and is based in the United States.

Badger DAO

Venture Round in 2021
Badger is a decentralized autonomous organization (DAO) building products and infrastructure to accelerate Bitcoin as collateral across other blockchains. It’s meant to be an ecosystem DAO where projects and people from across DeFi can come together to collaborate and build the products our space needs. Shared ownership in the DAO will allow builders to have aligned incentives while decentralized governance can ensure those incentives remain fair to all parties. The idea is less competing and more collaborating.

Anchorage

Series C in 2021
Anchorage is the first crypto-native Qualified Custodian for institutional investors, offering a comprehensive platform complete with trading, staking, and governance. Co-founded by security engineers from Square and Docker, Anchorage has raised $57 million in funding from such leading investors as Visa and Andreessen Horowitz, and counts as clients many of crypto’s largest and best-known funds, including Blockchain Capital, BlockTower, Polychain, and Paradigm. It was founded in 2017 and is headquartered in San Francisco, California.

Blocknative

Venture Round in 2020
* We are the leading experts in in-flight transactions – everything that happens before a transaction gets confirmed and goes on-chain. This data is both technically challenging and operationally expensive to capture and normalize, enabling us to assemble unique data assets while also creating material barriers to entry. * As a result, we have first revenue and a growing roster of customers and partners including Dapps, wallets, exchanges, marketplaces, protocols, and service providers. We have an informed POV on the current state of the market and insight into how and why it will be rapidly evolving over the course of 2020. * We are assembling a focused, experienced team with a track record of building high-scale software infrastructure and driving successful startup outcomes – including a positive exit to Cisco (which generated >40% IRR for the institutional investors) in my most recent at bat.

ParaSwap

Seed Round in 2020
ParaSwap Network SAS, established in 2020 and based in Paris, France, aggregates various decentralized exchanges into a single platform, addressing the liquidity challenges in the cryptocurrency market. By splitting orders across multiple exchanges, ParaSwap creates optimized and secure transactions, allowing users to access competitive market prices and high liquidity. Currently, the platform focuses on Ethereum and ERC-20 tokens, with plans to expand its services to encompass most major blockchains.

Stardust

Seed Round in 2020
The Stardust Platform is a Blockchain SaaS that enables game publishers to easily create and implement blockchain assets into their games without having to worry about scalable blockchain infrastructure or writing code

TRM Labs

Seed Round in 2019
TRM Labs is a regulatory technology startup that aims to streamline compliance in the crypto industry.They believe that blockchain can enable a world where value flows freely by democratizing the creation of property rights, reducing transaction, bargaining, and coordination costs, and enabling new ways to organize human behavior.

Bison Trails

Series A in 2019
Bison Trails allows the user to run secure infrastructure on multiple blockchains. The company's technology platform provides enterprise-grade security, multi-cloud and multi-region distribution, and a 99.99% uptime guarantee for node operators. Its aim is to strengthen the entire blockchain ecosystem, by providing a robust and secure infrastructure for the blockchain pioneers of tomorrow.

Blockchain

Series B in 2019
Blockchain.com operates a comprehensive platform that enables users to buy, hold, and utilize cryptocurrencies, aiming to create an accessible financial system for the internet. With over 50 million users, it offers a straightforward method for engaging with digital currencies, including features for trading, sending, receiving, securing, and borrowing them. The platform also includes a widely used explorer for tracking crypto market activities and an exchange that facilitates fast trading experiences. Additionally, Blockchain Ventures, supported by Blockchain.com, invests in distributed ledger technology (DLT) projects that foster societal benefits and advance the industry, promoting innovative applications of DLT beyond financial services. Overall, Blockchain.com seeks to revolutionize the financial landscape by enabling quick transactions without intermediaries and providing essential tools for real-time market insights.

Anchorage

Series B in 2019
Anchorage is the first crypto-native Qualified Custodian for institutional investors, offering a comprehensive platform complete with trading, staking, and governance. Co-founded by security engineers from Square and Docker, Anchorage has raised $57 million in funding from such leading investors as Visa and Andreessen Horowitz, and counts as clients many of crypto’s largest and best-known funds, including Blockchain Capital, BlockTower, Polychain, and Paradigm. It was founded in 2017 and is headquartered in San Francisco, California.

TRM Labs

Seed Round in 2019
TRM Labs is a regulatory technology startup that aims to streamline compliance in the crypto industry.They believe that blockchain can enable a world where value flows freely by democratizing the creation of property rights, reducing transaction, bargaining, and coordination costs, and enabling new ways to organize human behavior.

Circle

Series E in 2018
Circle is a financial technology company that leverages blockchain technology to facilitate the sending, receiving, and investing of cryptocurrency assets globally. Founded in 2013 by Jeremy Allaire and Sean Neville, Circle offers a user-friendly online platform that simplifies money transfers and includes services such as Circle Pay for peer-to-peer payments. In addition, the company provides Circle Invest, allowing users to buy and sell cryptocurrencies, and Circle Trade, which operates a trading desk with a substantial liquidity pool for digital assets, averaging $2 billion in monthly trading volume. With significant backing from investors, including notable firms such as Goldman Sachs and Accel Partners, Circle has established a presence in major cities, including Boston, New York, San Francisco, Dublin, London, and Hong Kong. The company is dedicated to accelerating global crypto innovation and adoption through its various financial services.

CoinList

Series A in 2018
CoinList is a San Francisco-based platform established in 2017 that facilitates token sales for digital asset companies. The platform connects blockchain projects with their communities prior to their assets being listed on other exchanges. It serves a diverse clientele within the digital asset ecosystem, including notable firms like Protocol Lab and Blockstack. CoinList offers services that enable token issuers to list their tokens and provides traders with opportunities for staking and access to decentralized finance. By bridging the gap between token developers and potential investors, CoinList plays a significant role in the growth and development of the blockchain industry.

Templum

Seed Round in 2017
Templum is a company that operates at the intersection of blockchain technology and digital assets, focusing on providing transparent access to capital while prioritizing investor protection. Founded in 2017 and based in New York, Templum utilizes the extensive experience of its principals in the blockchain sector to drive innovation and scalability in the industry. The company aims to enhance capital markets by facilitating initial coin offerings (ICOs) that open new funding avenues for growth-oriented companies. Templum is committed to creating a fully regulated environment that not only supports innovative financing solutions but also offers investors enhanced protections and secondary liquidity opportunities.

Civic

Initial Coin Offering in 2017
Civic's blockchain based ecosystem gives businesses and individuals the tools to control and protect identities. They believe identity should be convenient, safe and secure, and put users in control. Civic allows people to control the use of their identity information. They use cutting edge identity verification technology to secure and protect personal information transfer. Having conducted a successful token sale in June 2017, they set their sights on building identity.com, an open source, first-of-its-kind marketplace for identity verification services built on blockchain. They are a team spanning five countries with one common goal: to revolutionize identity.

Bancor

Initial Coin Offering in 2017
Bancor Protocol™ is a standard for the creation of Smart Tokens™, cryptocurrencies with built-in convertibility directly through their smart contracts. Bancor utilizes an innovative token “Connector” method to enable formulaic price calculation and continuous liquidity for all compliant tokens, without needing to match two parties in an exchange. Smart Tokens™ interconnect to form token liquidity networks, allowing user-generated cryptocurrencies to thrive. For more information, please visit the website and read the Bancor Protocol™ Whitepaper.

BTCC

Venture Round in 2017
BTCC is a computer and technology company that enables bitcoin exchanges worldwide. It offers a variety of services, including digital currency exchange, a mining pool, payment processing, consumer wallets, and blockchain engraving, via a single integrated platform. BTCC serves security, risk mitigation, credibility, and technological innovation to its global customer base. Its product line includes Bitcoin Pro Exchange, Bitcoin Exchange, Bitcoin Mining Pool, Bitcoin Wallet, Blockchain Engraving, Mint Physical Bitcoins, and Developer Platform. Headquartered in Shanghai, BTCC was originally founded as BTCChina in 2011.

Block.one

Seed Round in 2017
Block.one LLC is a company that specializes in blockchain technologies, particularly known for developing the EOSIO open-source software. This software is recognized for its flexibility and scalability, enabling developers and businesses to create secure and transparent decentralized applications. Founded in 2016 and headquartered in George Town, Cayman Islands, the company has expanded its presence with locations in the United States and the Asia Pacific region. With a team of over 300 skilled engineers and professionals, Block.one focuses on promoting data integrity through innovative tools and systems. Its commitment to advancing distributed ledger technology positions Block.one as a key player in the evolving landscape of digital infrastructure.

ShapeShift

Series A in 2017
ShapeShift AG, founded in July 2014 and based in Zug, Switzerland, operates a web and API platform that facilitates the conversion of Bitcoin and various altcoins with a focus on consumer protection and efficiency. The platform allows users to exchange a range of cryptocurrencies, including Litecoin, Peercoin, and Dogecoin, among others. In 2019, ShapeShift enhanced its services to enable users to self-custody their crypto assets, providing the capability to buy, sell, trade, track, send, and receive digital currencies without relying on third-party trust. Additionally, ShapeShift offers several tools and services such as the ShapeShift Lens Extension for payments, a mobile application for asset exchanges, and the Shifty Button for businesses to accept Bitcoin and other cryptocurrencies. The company also operates CoinCap.io, a real-time crypto market data service, and acquired the hardware wallet company KeepKey in 2017.

BitPesa

Series A in 2017
BitPesa Ltd., founded in 2013 and based in Karen, Kenya, is a digital currency exchange that specializes in converting Bitcoin to Kenyan Shillings. The company operates an online platform that utilizes blockchain technology to facilitate business payments and trade between Africa and global markets. BitPesa aims to lower transaction costs and enhance the speed of payments, making it easier for businesses in frontier markets to engage in international trade. By offering a streamlined solution for both cryptocurrency traders and businesses, BitPesa plays a crucial role in connecting African economies with suppliers and partners around the world.

WaveBL

Seed Round in 2016
WaveBL is a digital courier platform that offers a decentralized solution for the secure and efficient exchange of documents within the supply chain. Founded in 2014 and based in Kfar Saba, Israel, it utilizes blockchain technology to facilitate the instantaneous, encrypted, and authenticated transfer of essential documents, such as Bills of Lading. By eliminating the need for traditional paper documents, WaveBL aims to reduce costs, enhance efficiency, and mitigate risks associated with forgeries and losses. Its platform caters to various supply chain participants, from small importers to large shipping carriers and banks, promoting a transition towards a paperless environment that fosters innovation and reliability in business operations.

Civic

Convertible Note in 2016
Civic's blockchain based ecosystem gives businesses and individuals the tools to control and protect identities. They believe identity should be convenient, safe and secure, and put users in control. Civic allows people to control the use of their identity information. They use cutting edge identity verification technology to secure and protect personal information transfer. Having conducted a successful token sale in June 2017, they set their sights on building identity.com, an open source, first-of-its-kind marketplace for identity verification services built on blockchain. They are a team spanning five countries with one common goal: to revolutionize identity.

Tierion

Seed Round in 2016
Tierion, Inc. turns the blockchain into a global platform for verifying data, le, or business process. It provides an API and tools to collect data and anchor it in the blockchain; and SmartNet, a marketing automation platform with real-time analytics, email marketing, and lead capture. The company was incorporated in 2015 and is based in Hartford, Connecticut.

Parity Technologies

Seed Round in 2016
Parity Technologies Limited is a blockchain infrastructure company based in London, United Kingdom, established in 2015. The company specializes in open-source software development aimed at enterprises utilizing blockchain technology. Parity focuses on creating innovative platforms and applications that integrate advanced cryptography, peer-to-peer technology, and decentralized consensus architectures, contributing to the evolution of blockchain solutions.

Gem

Series A in 2016
Gem is a developer of next-generation cryptocurrency applications and a blockchain platform that empowers individuals to take control of their wealth through innovative digital solutions. Founded in 2013, Gem offers a secure universal wallet that acts as a single entry point for users to track their cryptocurrency investments and net worth. The platform facilitates the curated discovery of new tokens and decentralized applications, enhancing the participation experience in the evolving digital marketplace. With a team of experienced software architects and blockchain engineers, Gem is dedicated to providing easier and more secure ways for consumers to engage with the growing decentralization movement.

Stampery

Seed Round in 2015
Stampery is a verification and certification platform that generates legal proofs for all its customers sensitive documents using bitcoin’s blockchain. Its service can be used to attest the integrity, existence, ownership, and receipt of any file or communication as well as to certify digital transactions to generate audit trails, protect its customer’s intellectual properties, and to prove proprietorship of digital assets. Stampery charges a service fee from its clients depending on the number of file transactions and utilization of storage space on a monthly basis.

Paxos

Series A in 2015
Paxos is re-building the infrastructure of finance. Its mission is to move any assets anywhere, instantly – and therefore democratize access to a new, global, frictionless economy. The Company takes a two-pronged approach of establishing regulatory designations that give it access to the current financial infrastructure and the ability to develop innovative products. This allows Paxos to operate as a gateway between traditional finance and the digital future. Today, as the first regulated Trust company with blockchain expertise, Paxos is uniquely positioned to mobilize and custody assets digitally.

BitPesa

Seed Round in 2015
BitPesa Ltd., founded in 2013 and based in Karen, Kenya, is a digital currency exchange that specializes in converting Bitcoin to Kenyan Shillings. The company operates an online platform that utilizes blockchain technology to facilitate business payments and trade between Africa and global markets. BitPesa aims to lower transaction costs and enhance the speed of payments, making it easier for businesses in frontier markets to engage in international trade. By offering a streamlined solution for both cryptocurrency traders and businesses, BitPesa plays a crucial role in connecting African economies with suppliers and partners around the world.

Bonafide

Seed Round in 2015
Bonafide builds trust by allowing users to promote their community reputation or even identity. While Bitcoin transactions are anonymous there are many cases where identity is known. An example would be a retail location that accepts Bitcoins. A customer could be presented with a bill for meal with a QRC to make a payment. Without Bonafide there is no way for the customer to confirm that the address ties to the restaurant.

Blade

Seed Round in 2015
Blade Data Limited operates a platform-as-a-service based payments platform that offers digital currency spending via debit cards on existing global payment networks. Its platform provides digital currency companies with a solution to enable cross-currency payments online and offline; enables wallet and exchange customers to spend crypto-currencies; and handles on-boarding, collateralization, risk management, authorization, settlement, and exception processing. Blade Data Limited was incorporated in 2014 and is based in Dublin, Ireland.

ChangeCoin

Seed Round in 2014
ChangeCoin is a micropayment infrastructure for the Internet that specializes in the fields of micropayments, bitcoin, social commerce, digital currencies, and payments. It was founded in 2016 and headquartered in San Francisco, California.

Bitnet Technologies

Series A in 2014
Bitnet provides a digital commerce platform enabling enterprise-scale merchants to accept bitcoin payments. Bitnet’s engineering, product, and business development team help in building and managing the world’s largest payment gateway, CyberSource (NASDAQ: CYBS), which was sold to the world’s largest payment network, Visa (NYSE: V), for $2 billion in 2010.

String Labs

Seed Round in 2014
String Labs is a crypto venture studio, incubator and investor, headquartered in Palo Alto. It serves as an incubator and leading core contributor to cutting-edge blockchain protocols such as DFINITY (Ethereum-family decentralized cloud) and PHI project, among others. Its team include top cryptographers, distributed computing scientists and economists. It partners closely with leading organizations such as BCG Dvolution on enterprise blockchain projects and provides infrastructure support.

Chain

Series B in 2014
Chain, Inc. is an enterprise software company based in San Francisco, California, established in 2012. It specializes in developing cryptographic ledger systems designed to enhance the security and efficiency of financial services. The company's key offerings include the Chain Open Standard, an open-source blockchain protocol for large-scale financial applications, Chain Core, an enterprise-grade production node, and Chain Sandbox, a prototyping environment. Chain's technology allows organizations to securely track and transfer financial assets in a token format across both private and public networks, facilitating programmatic and peer-to-peer transfers of digital assets. Its clientele includes major financial institutions such as Visa, Nasdaq, and Citigroup, as well as emerging startups focused on innovative financial products.

Xapo

Series A in 2014
Xapo operates a digital banking and bitcoin security platform that provides a comprehensive suite of financial tools and vault services for secure bitcoin storage. The company offers two primary products: an easy-access bitcoin wallet and a highly secure cold storage vault. This dual approach allows users to manage their bitcoin conveniently for everyday transactions while ensuring robust security for long-term savings. Xapo's platform includes a peer-to-peer payment system and access to digital currency, enabling users to utilize their bitcoin globally. The firm emphasizes the importance of trust in the digital currency space, employing a team of financial services and security experts to create a reliable and user-friendly storage experience for bitcoin users.

LedgerX

Series A in 2014
LedgerX LLC operates an online institutional derivatives exchange platform specifically for digital currencies. Founded in 2013 and based in Vail, Colorado, the company has sought registration with the U.S. Commodity Futures Trading Commission to function as a swap execution facility and derivatives clearing organization. Formerly known as NYBX INC, LedgerX is focused on providing a regulated environment for trading digital currency futures and options. The platform features physical settlement of contracts, block trading, and algorithmic trading, enabling both individual traders and institutions to transact in cryptocurrencies efficiently. As a subsidiary of NYBX LLC, LedgerX is positioned to enhance the trading landscape for digital assets.

BitGo

Series A in 2014
BitGo is the world's largest processor of on-chain Bitcoin transactions, processing 15% of all global Bitcoin transactions, and $15 billion per month across all cryptocurrencies. BitGo supports over 200 coins and tokens, and has over $2 billion in assets in wallet. Our customer base includes the world's largest cryptocurrency exchanges and spans more than 50 countries. In 2018, we introduced BitGo Custody and launched BitGo Trust Company, the first qualified custodian purpose-built for storing digital assets. In 2019, we began providing clearing and settlement. Ben Davenport, Michael Belshe, and Will O'Brien founded BitGo in 2013. It has its headquarters in Palo Alto in California.

Bitfury Group

Series A in 2014
Bitfury is the leading full service Blockchain technology company and one of the largest private infrastructure providers in the blockchain ecosystem. Bitfury develops and delivers both the software and the hardware solutions necessary for businesses, governments, organizations and individuals to securely move an asset across the blockchain.

ChangeCoin

Seed Round in 2014
ChangeCoin is a micropayment infrastructure for the Internet that specializes in the fields of micropayments, bitcoin, social commerce, digital currencies, and payments. It was founded in 2016 and headquartered in San Francisco, California.

Bex

Seed Round in 2014
Bex is a SaaS solution that allows anyone to own their own Bitcoin Exchange. They remove all the technical complexity of operating a Bitcoin Exchange and build relationships with partners around the globe who manage local banking, regulatory and marketing relationships.

LedgerX

Seed Round in 2014
LedgerX LLC operates an online institutional derivatives exchange platform specifically for digital currencies. Founded in 2013 and based in Vail, Colorado, the company has sought registration with the U.S. Commodity Futures Trading Commission to function as a swap execution facility and derivatives clearing organization. Formerly known as NYBX INC, LedgerX is focused on providing a regulated environment for trading digital currency futures and options. The platform features physical settlement of contracts, block trading, and algorithmic trading, enabling both individual traders and institutions to transact in cryptocurrencies efficiently. As a subsidiary of NYBX LLC, LedgerX is positioned to enhance the trading landscape for digital assets.

Gem

Seed Round in 2014
Gem is a developer of next-generation cryptocurrency applications and a blockchain platform that empowers individuals to take control of their wealth through innovative digital solutions. Founded in 2013, Gem offers a secure universal wallet that acts as a single entry point for users to track their cryptocurrency investments and net worth. The platform facilitates the curated discovery of new tokens and decentralized applications, enhancing the participation experience in the evolving digital marketplace. With a team of experienced software architects and blockchain engineers, Gem is dedicated to providing easier and more secure ways for consumers to engage with the growing decentralization movement.

BTCC

Series A in 2013
BTCC is a computer and technology company that enables bitcoin exchanges worldwide. It offers a variety of services, including digital currency exchange, a mining pool, payment processing, consumer wallets, and blockchain engraving, via a single integrated platform. BTCC serves security, risk mitigation, credibility, and technological innovation to its global customer base. Its product line includes Bitcoin Pro Exchange, Bitcoin Exchange, Bitcoin Mining Pool, Bitcoin Wallet, Blockchain Engraving, Mint Physical Bitcoins, and Developer Platform. Headquartered in Shanghai, BTCC was originally founded as BTCChina in 2011.