You dropped this
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I suppose a chat app could possibly benefit from a blockchain, if you desperately need to be able to prove that fewer than half the participants wanted to change history.
Popular Japanese messaging app Line on Monday announced the closure of its US cryptocurrency exchange business, Bitfront, citing an increased focus on blockchain-related business. As of Monday, new signups and credit card payments on Bitfront were suspended, trading will be halted on December 30, and withdrawals will be …