Coinbase announces it will retire SMS account access and user payment pages, and pass on network transaction fees, from March 21.March 14 is the announcement. The post expressly preserves SMS two-factor login and distinguishes free internal transfers from on-chain transactions. It is not evidence that every announced change was independently observed on MarTIBBIR UNIVERSE THIS IS TIBBIR How to get TIBBIR Ribbit in numbers Connected clues Account archive Bridge & contracts On-chain research Connections Community The story Reading room Network map Timeline Findings Source library Conversations People & companies Open questions Export & reuse