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Life & fun · February 26, 2014

I implemented gmaxwell's "solvency proof scheme"

Proof of Solvency (PoS) is a scheme designed to let users verify the solvency of online websites which accept Bitcoin (or other similar currency) deposits (e.g. exchange websites, online wallets, gambling websites, etc.) in a way that doesn't compromise the privacy of users. - olalonde/proof-of-solv

I implemented gmaxwell's "solvency proof scheme" launched on February 26, 2014 with 29 votes, #528 of 1,100 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 12 years on.

In plain words

Proof of Solvency is a system that enables users to verify whether Bitcoin exchanges, online wallets, and gambling sites hold sufficient funds to cover deposits, without revealing individual user identities. Implemented based on Gregory Maxwell's scheme, it allows these platforms to prove solvency cryptographically while maintaining privacy. The tool is designed for users who need assurance that online services accepting cryptocurrency deposits are solvent and trustworthy.

written from the facts on this page · September 2026

From the sources

Proof of Solvency (PoS) is a scheme designed to let users verify the solvency of online websites which accept Bitcoin (or other similar currency) deposits (e.g. exchange websites, online wallets, gambling websites, etc.) in a way that doesn't compromise the privacy of users. - olalonde/proof-of-solvency

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