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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3 September, 2024
Efficient multi-input transaction grinding for OP_CAT Bitcoin covenants
sCrypt previously implemented Bitcoin covenants using OP_CAT, based on this Schnorr trick, which they say can greatly simplify signature calculation...
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8 July, 2024
Bitcoin OP_CAT use cases series #4: Recursive covenants
A recursive covenant applies to the immediate transaction and subsequent transactions that spend the bitcoins, meaning the imposed conditions could...
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2 July, 2024
Bitcoin OP_CAT use cases series #3: Vaults
Following our series #1 and #2, sCrypt demonstrates how to construct non-custodial vaults to provide enhanced security for stored bitcoins.
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25 June, 2024
Bitcoin OP_CAT Use Cases Series #2: Merkle Trees
In this article, sCrypt enumerates the numerous applications for Merkle trees and how the OP_CAT opcode can be utilized to...
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28 May, 2024
Trustless Ordinal sales using OP_CAT-enabled covenants on Bitcoin
In this piece, sCrypt demonstrates a trustless sale of an Ordinal NFT using a layer-1 covenant made possible by re-enabling...
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27 May, 2024
sCrypt Hackathon 2024 winners announced
The projects of the recently held sCrypt Hackathon offer innovative solutions in the blockchain and showcase a diverse array of...
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10 April, 2024
Smart contract programming languages: sCrypt vs. Solidity
This article compares sCrypt and Solidity, to help users decide which one they should use for building smart contracts in...
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9 April, 2024
The complete guide to full stack BSV blockchain development
In this guide, sCrypt teaches a Web3 tech stack that will allow users to build full stack decentralized apps on...
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14 March, 2024
Threshold Signatures: Private key never exists
Working as a cryptographic protocol, the Threshold Signature Scheme enhances security and trust in distributed systems by ensuring that no...
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6 March, 2024
Distributed Key Generation: Verifiable and dealerless
Distributed Key Generation enhances security in various applications by distributing trust among participants, reducing the risk of key compromise.
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28 February, 2024
Proof of Work in Bitcoin: No floating point number used
In this article, sCrypt shares how Proof of Work (PoW) works in Bitcoin, explaining that its core process involves finding...
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26 February, 2024
Steganography and its applications in Bitcoin
There is a thin line differentiating stenography from cryptography, with the latter using encryption to make files unreadable while the...
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sCrypt previously implemented Bitcoin covenants using OP_CAT, based on this Schnorr trick, which they say can greatly simplify signature calculation...
September 3, 2024
A recursive covenant applies to the immediate transaction and subsequent transactions that spend the bitcoins, meaning the imposed conditions could...
July 8, 2024
