ZK Rollup Superchains: The Race to Unify Ethereum’s Layer-2 NetworksEthereum Scaled… But Broke Apart Ethereum promised to scale, and it delivered. Today, there are dozens of active layer-2 rollups on Ethereum — L2BEAT tracks about 27 rollups as of mid-2025, though when you include experimental or soon-to-launch rollu...Sep 11, 2025 · 5 min readdymchenko.hashnode.dev
Filecoin, IPFS, and Arweave: Breaking Down Decentralized Data StorageWhy Decentralized Storage? Think Resilience and Freedom Imagine if all your files lived on one server. If that server goes down - or gets blocked - everything disappears.Decentralized storage spreads your files across many nodes worldwide. That means...Aug 14, 2025 · 8 min readdymchenko.hashnode.dev
Building a Rust Backend, Part 2: Automate Document Signing with Ethereum and DocuSealThis article guides you through building a Rust backend service that automates document signing in response to blockchain events. We’re building an app that watches for a FundsReceived event from an Ethereum smart contract. When it sees that event, i...Jul 15, 2025 · 14 min readdymchenko.hashnode.dev
Automating Document Signing, Part 1: The Solidity Smart ContractThe Smart Contract: A Simple On-Chain Trigger At the heart of our automated system is a simple yet crucial component - the smart contract. This contract, deployed on the Ethereum blockchain, serves as the on-chain trigger for our entire off-chain wor...Jul 15, 2025 · 4 min readdymchenko.hashnode.dev
Prerequisites & Setup: MetaMask, DocuSeal, and InfuraBefore we can build our backend or deploy the smart contract, we need to set up a few essential tools and services. This guide will walk you through configuring your MetaMask wallet, preparing a document template in DocuSeal, and getting an API key f...Jul 15, 2025 · 3 min readdymchenko.hashnode.dev