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Practice 02 · Web3 & blockchain
From smart contracts to on-chain economies.
Building on-chain since 2017 — private blockchains, enterprise Hyperledger, Ethereum smart contracts, DeFi, institutional custody, and full metaverse NFT platforms with their own token economies.
The work
GAMEFI / CUSTODY / DEFI / CONTRACTSRaceKingdom.io — metaverse NFT racing platform
ERC-1155 · SOUL BOUND TOKENS · $ATOZ (BEP-20)
A full web3 gaming economy: ultra-rare NFT racing creatures whose stats and achievements evolve on-chain via ERC-1155 and Soul Bound Tokens, with breeding, staking, leasing and betting mechanics — powered by the $ATOZ token, listed on multiple exchanges including Gate.io and MEXC. Built end to end: contracts, marketplace, tokenomics and platform.
Institutional custody & wallet infrastructure
FIREBLOCKS · BITGO · LIMINAL
MPC, HSM key management and multisig architectures with hot/cold wallet segregation — the custody frameworks behind exchanges holding institutional assets, built and certified under ISO 27001 and SOC 2.
DeFi engineering & risk
AMMS · STAKING / LSTS · LENDING
Protocol integrations across AMMs, staking and liquid-staking tokens, and lending — with MEV mitigation and bridge-risk controls, and interoperability with major CEXs, DEXs and oracles.
Smart contracts & token engineering
SOLIDITY · ETHEREUM
Programmable payments, escrow and asset-issuance contracts in production since 2018 — from digital-wallet infrastructure at e-Mal to exchange token systems, written in Solidity with an emphasis on auditability.
Enterprise & private blockchains
HYPERLEDGER FABRIC
Distributed-ledger back-ends for supply-chain finance, trade finance and KYC automation, plus ground-up private blockchain builds — the plumbing itself, not just applications on top of it.
L1 / L2 architecture
CONSENSUS · SCALING · BRIDGING
Consensus mechanisms, layer-2 scaling trade-offs and cross-chain bridging — applied where it matters most: connecting on-chain assets to regulated, low-latency trading infrastructure through ATLAS.
Proof of work in public: 199 repositories on GitHub, including Ethereum DApps and private-blockchain builds — Arctic Code Vault contributor.