Feathercoin secures its block chain with advanced checkpointing

Feathercoin secures its block chain with advanced checkpointing

Feathercoin has announced advanced checkpointing in its block chain to protect against 51% attacks. The advanced checkpointing (ACP) feature will remove the need for changes to client software by publishing a feed of checkpoints, via a central node. Checkpointing is a lesser known part of cryptocurrencies. It's a way to maintain the integrity of the block chain by recording blocks out of it. In bitcoin, checkpoints are stored in the code of the client. This enables it to verify its checkpoints against the copy of the block chain it has downloaded, ensuring that block chain has not been....


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