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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5 December, 2022
Pay for storage using Proof of Retrievability on Bitcoin
The cryptographic protocol Proof of Retrievability allow users to pay for cloud storage without having to trust the server.
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29 November, 2022
Bitcoin ZK Bounty Series: Part 1 — Pay for Decryption Key
Zero-Knowledge Bounties provide a solution to a Sudoku problem and the classic fair exchange problem, providing assurance that payment will...
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21 November, 2022
Verifiable Delay Functions on Bitcoin
The Verifiable Delay Function acts as another layer of security in blockchain, preventing bad faith actors from influencing an output...
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16 November, 2022
Zero-Knowledge proof of solvency for crypto exchanges: How to detect the next FTX and Mt. Gox
Many users prefer to store their digital assets with centralized exchanges for ease of use, but doing so exposes them...
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14 November, 2022
The first successful Zero-Knowledge Pay-to-Sudoku Bounty on Bitcoin
By using Zero-Knowledge Contingent Payment (ZKCP), a seller does not have to interact with the buyer, as they only need...
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11 November, 2022
Private non-interactive bounties for general computation on Bitcoin
Outsourcing arbitrary computation securely and privately on a blockchain needs Zero Knowledge Proof to validate encrypted solution and prevent data...
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1 November, 2022
Speedup Bitcoin stateful contract updates using pre-authorizing signatures
Signatures act as public keys/addresses that are used to pre-authorize state updates and carry out token transactions.
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23 October, 2022
PLONK on Bitcoin
Bitcoin's programmability and scalability have paved the way for the creation of PLONK proof, a system that can be implemented...
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18 October, 2022
How PLONK works: Part 2
In the first part of "How PLONK works," sCrypt explained how to transform a computation to prove using PLONK into...
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16 October, 2022
How PLONK Works: Part 1
PLONK is a zk-SNARK proof system utilizing a trusted setup that is both universal and updatable, which can be initiated...
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10 October, 2022
Introducing sCrypt Playground
The introduction of sCrypt Playground combines the power of desktop IDE and the convenience of sCrypt Studio, providing a seamless...
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4 October, 2022
Efficient zk-SNARKs on Bitcoin: Technical explainer
After all the optimizations, sCrypt was able to cut the Script size of pairing by 100X to 5MB, and they...
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