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Cryptocurrency exchangeCryptocurrency bitcoinWhat is cryptocurrency miningTime2spin casinoA hard fork is a radical change to the protocol that makes previously invalid blocks/transactions valid, and therefore requires all users to upgrade. For example, if users A and B are disagreeing on whether an incoming transaction is valid, a hard fork could make the transaction valid to users A and B, but not to user C.A hard fork is a protocol upgrade that is not backward compatible. This means...