Sandyzhou – Medium

Published in everFinance

·Mar 2

Building a secure PST cross-chain verification system

On the basis of the AR token cross-chain system, we built the PST cross-chain token. However, we have faced a few obstacles. One of the biggest challenges is to verify that a PST tx is executed successfully. As we all know, arweave’s smartweave contract is an off-chain execution contract, and…

Arweave

2 min read

Building a secure PST cross-chain verification system

Published in everFinance

·Dec 6, 2021

Arseeding server design

Provides arweave transaction caching, broadcasting services. Why EverFinance has been building the arweave ecosystem for over a year and has found two serious problems for arweave ecosystem developers: the eco-project relies heavily on the arweave.net gateway, which has a single point of failure. There is a known bug with the arweave…

Arweave

4 min read

Published in everFinance

·Nov 30, 2021

Arsyncer: arweave transaction synchroniser

High-performance arweave txs synchroniser using golang concurrent programming Open Source Repository https://github.com/everFinance/arsyncer Architecture Principle Concurrent pull block arsyncer uses the golang ants concurrency library to batch fetch blocks from arweave in a specified height range. When a block is pulled concurrently, the blocks are output in order according to their height. arsyncer implements this by specifying the start…

Arweave

2 min read

Published in everFinance

·Jul 29, 2021

Arweave to Ethereum cross-chain system design

Recently everPay has launched AR cross-chain, users with AR native token can cross-chain to ethereum mint WAR (Wrapped AR) via everPay. How to Make Cross-chain Transfers between Arweave and Ethereum with everPay The following article describes in detail how everPay implements a decentralized AR cross-chain system. AR Cross-Chain Architecture

Blockchain

4 min read

Arweave to Ethereum cross-chain system design