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2.monero-project / moneroMonero: the secure, private, untraceable cryptocurrencyc-plus-plusmonerocryptocurrencycmakesecurityprivacy+4 moreC++Other license11K total3.5K forks+548 starsfrom 10,425 · score 6.31
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4.XRPLF / rippledDecentralized cryptocurrency blockchain daemon implementing the XRP Ledger protocol in C++xrplxrp-ledgerxrpcplusplusc-plus-pluscryptography+1 moreC++ISC5.2K total1.7K forks+140 starsfrom 5,103 · score 4.95
5.shrec / UltrafastSecp256k1Ultra high-performance secp256k1 ECC engine | Python, Node.js, Rust, Go, C#, Swift, Java bindings | CUDA, Metal, OpenCL GPU | ECDSA, Schnorr, FROST, MuSig2, BIP-352 | 15+ platformscryptographycudariscvsecp256k1arm64opencl+14 moreC++MIT61 total26 forks+25 starsfrom 36 · score 3.26
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7.QuipNetwork / cpp-sdkThe repository host gives no description.C++AGPL-3.011K total44 forks+6 starsfrom 11,244 · score 1.95