We agree to immediately support the following parallel upgrades to the bitcoin protocol, which will be deployed simultaneously and based on the original Segwit2Mb proposal:

· Activate Segregated Witness at an 80% threshold, signaling at bit 4

· Activate a 2 MB hard fork on September 21, 2017

The following companies have committed to provide technical and engineering support to test and support the upgrade software, as well as to assist companies with preparing for the upgrades:

· Bitcoin.com

· BitFury

· BitGo

· Bitmain

· BitPay

· Blockchain

· Bloq

· RSK Labs

· Xapo

We are also committed to the research and development of technical mechanisms to improve signaling in the bitcoin community, as well as to put in place communication tools, in order to more closely coordinate with ecosystem participants in the design, integration and deployment of safe solutions that increase bitcoin capacity