Libbitcoin developer @evoskuil said the latest Libbitcoin Server can complete a Bitcoin full node initial block download and full verification in 55 minutes. According to ChainCatcher, the speedup comes from a new GPU-based signature verification system that runs in parallel with normal script validation rather than as a separate step.
The software does not pause to verify each ECDSA and Schnorr signature. Instead, it captures signature checks, batches them, and processes them on the GPU while the rest of validation continues. @evoskuil said the method can capture about 99.5% of signatures without blocking verification, eliminating the need for a second verification pass. If a batch signature check fails, the software traces it back to the relevant block and marks that block invalid. He also said the design can batch nearly any number of signatures, keeping the GPU ahead of the rest of the validation process and significantly reducing full node sync time.
Libbitcoin Server Claims 55-Minute Bitcoin Node Sync With GPU Signature Verification
2026-07-22 18:13:41
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