QinwenIn-depth Interview with 9 Polkadot China Ambassadors (cohort 4)During the fourth cohort of the China Polkadot Ambassador Program, outstanding ambassadors have graduated among more than 50 applicants in…Dec 28, 2020Dec 28, 2020
QinwenPolkadot IntroductionAs mentioned in the previous paper (link: https://medium.com/@LongHashDot/cross-chain-technology-and-polkadot-2775fd5a8c73 ), cross-chain…Apr 28, 2019Apr 28, 2019
QinwenThe parameters of Ed25519The Edwards-curve Digital Signature Algorithm (EdDSA) is a variant of Schnorr’s signature system with twisted Edwards curves. It is a…Apr 22, 2019Apr 22, 2019
QinwenEdDSA, a good signature algorithmPublic key cryptography algorithm played a very important role in various fields of information science since it has been invented. And…Apr 15, 2019Apr 15, 2019
QinwenMulti-signatures: Schnorr Signature and Signature AggregationThe Schnorr signature is an extension of Bitcoin protocol, and it is considered to solve the space problem of Bitcoin. Bitcoin currently…Apr 15, 2019Apr 15, 2019
QinwenOpen design and source HSM for validatorsIn a different prospect, the security of blockchain is built on both the stable logic of code and the fixed design of the chip. We keep…Apr 8, 2019Apr 8, 2019
QinwenIntroduction to Schnorr SignatureThe digital signature algorithm was proposed by American cryptographers Whitfield Diffie and Martin Hellman (both Turing Award winners in…Apr 3, 2019Apr 3, 2019