China: Upgraded digital yuan now with smart contract function
Digital yuan's smart contract functionality was integrated into the food delivery app Meituan, allowing users of the digital yuan to automatically compete in a raffle draw.
Latest smart contract News
COPA’s Block forced to cite Craig Wright’s smart contract patent
Jack Dorsey’s Block—a founding member of Crypto Open Patent Alliance—has been forced to cite one of Dr. Wright’s foundational blockchain patents in one of their own recently-approved smart contract patents.
Zero-Knowledge Proof Hackathon ‘an overwhelming success’ as prize winners announced
The Zero-Knowledge Proof Hackathon was declared "an overwhelming success," with 928 participants, of which three emerged as winners, taking home $45,000 each.
Bitcoin Association for BSV Zero-Knowledge Hackathon winners share $45,000 in prize money
The hackathon, aimed at encouraging developers to build new applications using zero-knowledge proofs (ZKPs) while growing the BSV community, proved to be an overwhelming success with more than 920 participants and 60 submissions received covering a range of subjects and use cases.
Zero-Knowledge Proof Hackathon finalists reveal exciting new app concepts for Bitcoin
The coding segment for the 2022 Zero-Knowledge Proof Hackathon concludes, participated by 929 individuals, all with the goal of creating a project that could run on the BSV blockchain.
Introducing scryptTS: Write Bitcoin smart contracts in Typescript
scryptTS allows developers to directly code smart contracts in Typescript, using existing programming languages and tools that many are already familiar with.
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 to post a single bounty transaction.
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 from leaking.
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.
PLONK on Bitcoin
Bitcoin's programmability and scalability have paved the way for the creation of PLONK proof, a system that can be implemented similarly to a smart contract.
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 an intermediate constraint system; now, they covered the other type: copy constraints.
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 are exploring more optimizations to reduce it.