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“”Decentralized”, you keep using that word but I don’t think it means what you think it means…”

"Decentralized" doesn't mean what most people think. Popularly it suggests diluted power; in systems theory it means participants act on local information, with no participant given an explicit role.

Disincentive to pool mining with Fawke signatures

An improved, SHA-256-only scheme to discourage mining pools from forming — Fawke signatures, refining the earlier Lamport approach — for when that goal is worth pursuing at all.

Why Mining Variance Matters

Miners join pools mainly to reduce the variance of their returns. But if the expectation is unchanged, why does variance matter so much? A look at the risk math of...

Preventing Mining Pool Concentration with Lamport Signatures

A minimal change to the Bitcoin protocol that could discourage mining-pool concentration — having miners generate Lamport signatures instead of block hashes — without penalizing existing ASIC investments.

Dispelling some myths about Bitcoin, from a Bitcoin fan

Dispelling misconceptions common even among people who know Bitcoin well — starting with what hashing power actually buys you: security through expensive, irreversible spending, not transaction throughput.

Un ordinateur a-t-il vraiment réussi le « test de Turing » ?

Un programme informatique viendrait de réussir le test de Turing. Les médias en ont fait une nouvelle sensationnelle — mais qu'en est-il vraiment ? Retour sur Turing et la valeur...