回复：加载时检查区块链
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在下一个 SVN 修订版中，我会让它只回溯到区块 74000 处最近的检查点。如果将来需要纠正某个问题，我们随时可以确保它至少回溯到问题发生的位置。此外，我正在添加验证区块索引的代码，这意味着会检查工作量证明链。
不过，对于你的 blk*.dat 文件，系统仍不会完全安全。如果使用别人提供的 blk 文件副本，你就是在信任对方。
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In the next SVN rev, I'll make it only go back to the last checkpoint at block 74000. If we need to correct a problem in the future, we can always make sure it goes back at least as far back as the problem. Also, I'm adding code to verify the block index, which means the proof-of-work chain is checked.
Still, the system won't be entirely secure against your blk*.dat files. You are trusting someone if you use a copy of their blk files.