Newslink: Bitpay Gearing up to Test Extension Blocks
Recently, the Bcoin team released the specifications and particulars for launching extension blocks for a blockchain protocol upgrade. They have now nearly completed implementing these extension blocks. Bitpay’s CEO Stephen Pair responded with an article on April 24 saying that Bitpay would be willing to test these “secondary blocks” on a testnet.
https://news.bitcoin.com/bitpay-gearing-up-to-test-extension-blocks/