Rostyslav Antonyshyn
CEO at THE KROK
Lviv, Lviv Oblast, Ukraine
Summary
👤
Senior🎓
Top SchoolRostyslav Antonyshyn is a blockchain-focused technology leader and CEO with 10 years of software engineering experience, currently steering K.R.O.K as a provider of DeFi, NFT, metaverse and crypto wallet solutions from Lviv, Ukraine. He combines hands-on protocol experience from contributing to XSN/Stakenet with team leadership as a former technical lead and senior engineer, and now applies a rigorous vetting approach to assemble high-expertise engineering teams for clients. As Technical Advisor and founder-level executive at X9 Developers, he bridges product strategy and low-level blockchain engineering, particularly around staking, masternodes and cross-chain capabilities. Known for insisting on quality hiring to reduce costly developer mistakes, he blends practical cryptography-aware development with a marketplace-minded delivery approach.
10 years of coding experience
6 years of employment as a software developer
Computer Science, Computer Science at State University 'Lviv Polytechnics'
English, Ukrainian
Github Skills (31)
lightning10
wallet10
peer-to-peer10
bitcoin10
dao10
cryptocurrency10
blockchain10
daemon10
lightning-network9
cryptography9
smart-contracts6
digital-assets6
litecoin6
exchange6
payment6
Programming languages (5)
Github contributions (5)
X9Developers/btcd
Aug 2018 - Mar 2022
An alternative full node bitcoin implementation written in Go (golang)
Contributions:9 pushes, 1 branch in 3 years 7 months
golangfull-nodebitcoin-nodecryptocurrencybitcoin
X9Developers/stakenet-light-wallet
Dec 2021 - Feb 2022
The official Stakenet Light Wallet
Contributions:17 reviews, 15 PRs, 33 pushes in 2 months
lightstakenetblockchainwalletlight-wallet
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