bitcoinjs/node-bitcoin-p2p — Issue #47: Use static verification until checkpoint
Author: justmoon
Created: 2011-11-15 18:32:43+00:00
State: open

Until the checkpoint it is enough to confirm the hashes, because we trust (double) SHA256 to be secure and we've hardcoded the checkpoint anyway. The original client [also does this optimization](https://github.com/bitcoin/bitcoin/pull/492).

Improvement was suggested by @Fnordsoft in #30.