~/ukint-vsDeveloper blog by Vadim Smirnovhttps://ukint-vs.github.io/Building a Vara DApp with Hermes Agent — From Spec to Mainnethttps://ukint-vs.github.io/blog/building-vara-dapp-hermes-agent/https://ukint-vs.github.io/blog/building-vara-dapp-hermes-agent/How I set up a Hermes agent, installed vara-skills and vara-wallet, and built a full dApp from scratch — smart contract, tests, CLI client, and a new frontend.Wed, 01 Apr 2026 00:00:00 GMTFrom Opaque Bytes to Universal Services: Introducing Sails Header v1https://ukint-vs.github.io/blog/sails-header-v1/https://ukint-vs.github.io/blog/sails-header-v1/How a 16-byte header transforms opaque SCALE payloads into self-describing service calls — and why that lets wallets render UIs instantly and indexers query the whole network by type.Sat, 06 Dec 2025 00:00:00 GMTProfiling WASM Runtime in Substrate Using Perfhttps://ukint-vs.github.io/blog/wasmtime-substrate-profiling/https://ukint-vs.github.io/blog/wasmtime-substrate-profiling/This post will guide you through webassembly profiling using perf.Sun, 23 Jul 2023 00:00:00 GMT