Undo for Bitcoin: a cancel button for a stolen key
defisecurityopen0
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First five seconds
An AI reads only the public pitch and says what a newcomer still doesn't get.
The builder's pitch
Your Bitcoin key is stolen. The thief hits Send. Bitcoin says no. The 2nd key is on NEAR Chain Signatures; a public contract makes them wait. Your phone can cancel. Testnet: Built at NEAR HACKATHON @NEARProtocol #NEARHackathon