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Blockchains does not require append-only. There are pruning techniques like Automatic Transaction Rebroadcasting coming out on high-throughput blockchains like
by trevelyan 6y ago
Blockchains does not require append-only. There are pruning techniques like Automatic Transaction Rebroadcasting coming out on high-throughput blockchains like Saito:
https://youtu.be/agppUdX9YvI?t=65 https://youtu.be/agppUdX9YvI?t=65
These techniques will eventually get ported over to Bitcoin or whatever survives long-enough to need it. We'll get 20, 50 and 100-year rebroadcasting chains. Fees will be higher if the data needs to be stored longer. Spectrum of uses from investment to cash with different degrees of value-persistence.