blockchain protocol

Circle Shuts Down Bitcoin Purchasing Services, Focuses on Blockchain-based Protocol Spark
December 7th, 2016

US-based bitcoin startup has announced it will stop bitcoin trading via the platform and will focus on using the distributed ledger technology for mobile payments.

Blockstream Raises $21M from 40 Investors, including Google Chairman, LinkedIn and Yahoo Co-Founders
November 18th, 2014

Blockstream has raised $21 million in a new funding round to continue developing the bitcoin’s blockchain protocol.