Kolos Saito

Blockchain Developer @ Soar Robotics

About

Experienced blockchain engineer with a proven track record of innovation and expertise in developing cutting-edge protocols and algorithms. Demonstrated ability to drive efficiency, security, and interoperability across decentralized networks through the implementation of novel solutions. Proficient in zk-SNARK, zk-STARK, and cross-chain interaction methodologies.

Country

Hungary

City

Miskolc

Industry

Skill

Zero Knowledge Proofs, Rust (Programming Language), zk-SNARKs, Circom, SnarkJS, O1JS, Halo, Solidity, Cryptography, Cryptocurrency, Go (Programming Language), CosmWasm, Smart Contracts, Blockchain, Solana, Algorithms, Amazon Web Services (AWS)

Experience

Blockchain Developer

Soar Robotics

2024-2 - Present · 2 yrs 8 mos

- Designed and implemented a zk-SNARK-enabled runner for the SOAR chain, tightly integrated with a Cosmos L1-based consensus mechanism to facilitate scalable and private Layer 2 computations. - Utilized the Groth16 zk-SNARK protocol to create efficient and succinct proofs, reducing on-chain computation overhead and improving scalability. - Developed zk-SNARK circuits for transaction validation, state transitions, and robotics data processing using frameworks like Circom and SnarkJS, ensuring secure and privacy-preserving operations.

Blockchain Developer

Polyhedra

2022-7 - 2024-1 · 1 yr 7 mos

- Developed the zkBridge protocol using zk-SNARK to effectively prove specific state transitions between blockchain networks. - Implemented Virgo and Libra algorithms to enhance the functionality and security of cross-chain interactions. - Implemented the deVirgo algorithm to build a robust system for proving Ethereum's PoS consensus, ensuring the integrity and reliability of the blockchain. - Realized cross-chain messaging and facilitated inter-chain NFT transfer for seamless communication and data exchange.

Blockchain Developer

2019-5 - 2022-6 · 3 yrs 2 mos

- Developed and optimized the core contracts for the Limit Order and RFQ Protocol, enhancing the efficiency and security of DEX, achieving a TVL exceeding $450 million. - Developed the aggregator protocol to enable efficient blockchain data retrieval. - By using the aggregator protocol, I developed a swap API that ensures slippage and MEV protection, improving transaction execution and saving 15% on gas costs. - Optimized the zk-STARK implementation by using a hash function based on prime number.