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You'd need >50% of the miners to do that. It is precisely what I mean by building a protocol. Of course, without strong consensus (and a real algorithm/protoco
by jsprogrammer 11y ago
You'd need >50% of the miners to do that. It is precisely what I mean by building a protocol.
Of course, without strong consensus (and a real algorithm/protocol) such attempts will likely just result in fractured blockchains (basically the state at the moment, with many competing implementations of the same basic idea).
- csomar 11y agoNot really. you are talking about an attack. You'll need 100%, because if a single miner decided to include the transaction, then it is in!
- bduerst 11y agoOnly if that miner is successful for a block. Until then the blocked transaction stays in limbo.
- maaku 11y agoYou need only a cabal of >50% of the miners to agree to not build on any block that includes such a transaction.
- jsprogrammer 11y agoAn attack and a new protocol are the same thing. If a single miner includes the transaction, a majority can just bypass that sole miner. You do need 100% of something, but that something is just >50% of the miners.