09-20-2024
Xiaohui Liu
Author
Xiaohui Liu is the founder and CEO of sCrypt Inc., a company dedicated to providing integrated on-chain smart contracting solutions on BSV. Previously, he was a co-founder and the Chief Scientist at blockchain startup ContentBox. Before that, he was a Research Scientist at Facebook in the Connectivity Lab, conducting fundamental research to make internet access available throughout the world. He has a Ph.D. in Computer Science, specialized in peer-to-peer distributed networking. He has published multiple papers in premier conferences and journals. He also has one international patent.
Article by Xiaohui Liu
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23 June, 2022
zk-SNARKs on Bitcoin: Run Zcash on Bitcoin
zk-SNARK is a powerful primitive for blockchain privacy and scalability, and in this article, sCrypt showed what zk-SNARK is and...
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14 June, 2022
BLS signatures on Bitcoin—Pairing-based cryptography: Part 2
sCrypt have demonstrated how to verify a single BLS signature on Bitcoin and how BLS’s main power lies in aggregated...
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13 June, 2022
Introducing Solidity to sCrypt transpiler: Run Ethereum smart contracts on Bitcoin
The transpiler facilitates developers to migrate their applications onto the Bitcoin network from Ethereum and other Solidity/EVM-compatible blockchains without writing...
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12 June, 2022
Bilinear pairings on Bitcoin—Pairing-based cryptography: Part 1
In this article, sCrypt demonstrates how pairings can be implemented directly on Bitcoin and thus enable all kinds of pairing-based...
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17 May, 2022
Ring signatures in Bitcoin: Run Monero on Bitcoin
A ring signature is a digital signature that allows a message to be signed by a member of a group,...
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1 May, 2022
Zero-knowledge puzzles
sCrypt generalizes the proof of knowledge of a private key using zero-knowledge proof techniques, constructing arbitrary complex puzzles, called zero-knowledge...
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24 April, 2022
Delegation in Bitcoin: Part 3
Crypt generalizes the "Script level" delegation to delegate to any script/smart contract instead of a public key. This allows users...
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19 April, 2022
Emulate any SIGHASH flag without a fork by programming it in a smart contract
sCrypt developed a novel approach to emulate any SIGHASH flag by coding the logic in a smart contract. It requires...
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15 April, 2022
Graftroot on Bitcoin today: No fork needed
sCrypt demonstrated how to implement Taproot on the original Bitcoin using a contractless contract and shows that its follow-up proposal,...
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12 April, 2022
Contractless contract
sCrypt has developed a technique called "contractless contract" to faithfully execute any smart contract in a regular payment (P2PKH) transaction.
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11 April, 2022
Taproot on Bitcoin: Contractless Contract + MAST
In this article, sCrypt showed how to implement Taproot using the original Bitcoin protocol without any changes, by combining contractless...
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10 April, 2022
Zero-overhead private timestamping in Bitcoin
Bitcoin has a lot of potential uses far beyond payments, and each block has a cryptographically secured timestamp which can...
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