Constantinople, ethereum’s next system-wide upgrade, also called a hard fork, did not activate on the Ropsten testnet as planned. Author: Christine Kim

A bit of a debate has revved up about bitcoin’s “time warp attack” and whether it’s an exploit or an unintended advantage. Author: Alyssa Hertig

Blockstack announced a plan to decentralize the network’s corporate structure on Friday. Author: Nikhilesh De

Gary Cohn, a former chief economic advisor to the U.S. president and Goldman veteran, has just joined a financial data-focused blockchain startup. Author: Daniel Palmer

A fake news site used images of New Zealand’s prime minister in sponsored posts on Facebook to promote a bitcoin firm. Author: Wolfie Zhao