Blink - An Optimal Proof of Proof-of-Work | Lukas Aumayr | Ergoversary Summit 2024

Lukas Aumayr presents his collaborative work on the paper 'Blink: An Optimal Proof of Proof-of-Work'.

Designing light clients for Proof-of-Work blockchains has been a foundational problem since Nakamoto's SPV construction in the Bitcoin paper. Over the years, communication was reduced from O(C) down to O(polylog(C)) in the system's lifetime C. We present Blink, the first provably secure O(1) light client that does not require a trusted setup.

https://eprint.iacr.org/2024/692 https://eprint.iacr.org/2024/692.pdf

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