Life & fun · alternatives · 2026
24 alternatives to 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
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.… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I implemented gmaxwell's "solvency proof scheme" launched in 2014; newer entries below may have overtaken it.
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Very basic blockchain-free cryptocurrency PoC in Python - spipm/crackcoin
2017 · github.com · its alternatives →
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- 4PA
Introducing the PonziCoin ICO, the world
2018 · ponzicoin.co · its alternatives →
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🔑✅ An alternative to Twitter's verified accounts powered by Keybase. - dschep/proven
2018 · github.com · its alternatives →
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Mobile ZK Puzzle Game with NFT rewards. Contribute to nalinbhardwaj/wordlines development by creating an account on GitHub.
2022 · github.com · its alternatives →
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Crypto ATM▲89An open source ATM for Bitcoin, Litecoin and Dogecoin
2016 · pugpaoslot.com · its alternatives →
- 9MT
2018 · getmunt.com · its alternatives →
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Bitcoin made easy. Contribute to ofek/bit development by creating an account on GitHub.
2019 · github.com · its alternatives →
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Prove that you said things before anyone else
Jun 2026 · yousaidthat.org · its alternatives →
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Versiobit▲83Archives your files, versioned and audit-proof by Blockchain
2023 · versiobit.com · its alternatives →
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- 15IC
2014 · greenaddress.it · its alternatives →
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CryptoProof ran from 2018 to 2021, as a free timestamping service on Ethereum.
2018 · cryptoproof.org · its alternatives →
- 17FB
2021 · mirotomi.com · its alternatives →
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World's 1st decentralized, anarchistic all-digital currency!
2015 · its alternatives →
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Settle▲71Intuitive OS for Decentralized Finance on Ethereum
2018 · settle.finance · its alternatives →
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Bitcoin made easy. Contribute to ofek/bit development by creating an account on GitHub.
2017 · github.com · its alternatives →
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Blockchain based cryptocurrency proof-of-concept built with Elixir. Feedback welcome - coincoin/apps/blockchain/docs/difficulty.md at master · robinmonjo/coincoin
2017 · github.com · its alternatives →
Also compare
- Very basic blockchain-free cryptocurrency PoC in Python alternatives
- Shift Card alternatives
- Munt alternatives
- PonziCoin, a transparent, decentralized Ponzi Scheme you can trust alternatives
- Proven – An alternative to Twitter's verified accounts, with HN support alternatives
- WordLines – A zero-knowledge proof-based blockchain puzzle game alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →