└── README.md /README.md: -------------------------------------------------------------------------------- 1 | # Freelancing portfolio 2 | 3 | ## General 4 | 5 | I'm a Zero Knowledge and Ethereum Virtual Machine developer / consultant. I research, consult, and implement Ethereum and ZK projects. I have been doing EVM based development since early 2018 and ZK development from 2021. 6 | 7 | Top 10 [contributor](https://ethereum.stackexchange.com/users/31933/lauri-peltonen) on Ethereum StackExchange, [ERC-7950 author](https://eips.ethereum.org/EIPS/eip-7950) and active in various other support forums. 8 | 9 | ### Codes 10 | 11 | Some of the codes are available in my personal [GitHub](https://github.com/microbecode), some codes in client repositories and some is private. 12 | 13 | ## ZK history 14 | 15 | Most notable projects: 16 | 17 | - 2025 Rust [ZK STARK](https://github.com/microbecode/stark-from-zero) prover & verifier with zero dependencies 18 | - 2025 Technical writing for RareSkills (currently undisclosed topics) 19 | - 2025 Technical docs for [Starknet Madara](https://docs.madara.build/) Appchain 20 | - 2024-25 Audits of Mina [ZKNoid](https://docs.zknoid.io/zkNoidAuditAug2024Final.pdf) and Cairo [PWN Finance](https://security.extropy.io/static/media/PWNFinance.ec89541dfbb52796f439.pdf) 21 | - 2024 Mina Identity onramp project, [GitHub](https://github.com/microbecode/zk-identity-onramp) 22 | - 2024 Aleo (Leo) memorygame [GitHub](https://github.com/microbecode/zk-memorygame) 23 | - 2023 Mina "user age check for websites" project, [GitHub](https://github.com/microbecode/zk-agecheck) 24 | - 2023 Risc0 PoC test project, [GitHub](https://github.com/microbecode/zk-authorize) 25 | - 2023 Aztec (Noir) memorygame PoC, [Github](https://github.com/eqlabs/aztec-memorygame) and [blog post](https://equilibrium.co/blog/aztec) 26 | - 2023 Mina hackathon [project](https://github.com/microbecode/mina_devdao_hackathon) 27 | - 2022 Second prize in Starknet hackathon: [AA contract store](https://github.com/team-brewery/wallet-app-store) 28 | - 2021-23 [Starknet multisig](https://github.com/eqlabs/starknet-multisig) project. 29 | 30 | ## EVM & related history 31 | 32 | Most notable projects: 33 | 34 | - 2024 Starknet allocation Merkle proof backend (Rust), for Starknet Foundation, [GitHub](https://github.com/starknetfndn/defispring/tree/main/backend) 35 | - 2022: Contracts and Fireblocks integration for [EUROe](https://www.euroe.com/) Ethereum-based stablecoin. 36 | - [Phaver](https://phaver.com/) multi-chain token implementation with LayerZero 37 | - 2022: NFT [Marketplace contracts](https://gitlab.com/onpulse/nftonpulse/nftop-contracts) from scratch: direct sale, auction, offers. 38 | - 2021: Reward distribution contracts for Solarmine 39 | - 2021: Staking contracts for Score Milk (https://scoremilk.com). Staking algorithm based on Synthetix staking 40 | - 2021: Created a developer tool for interacting with arbitrary EVM-based contract functions without an ABI: https://evmconnector.dev 41 | - 2020-2021: NFT + ERC20 token contracts and website for a clothing brand. An updated version of Unisocks 42 | - 2020: Technical overview, official reviewer of Superfluid contracts and whitepaper: http://paper.superfluid.finance/ 43 | - 2020: gaming contracts for Score Milk (https://scoremilk.com) 44 | - 2018: Implemented two ICOs: https://github.com/envirate/ico and https://github.com/Dealjoy/dealjoy_smart_contract 45 | 46 | Plus a gazillion other smaller paid and non-paid consultations / hotfixes for various projects. 47 | 48 | ### Other non-technical experience 49 | 50 | - Lots of ZK-related articles at [Medium (200+ followers)](https://medium.com/@laurippeltonen) 51 | - 2025: Talk [ZK intro](https://www.youtube.com/watch?v=miIOJFkGcY4) (ZkMonk bootcamp). 52 | - 2025: Talk [ZK auditing](https://www.youtube.com/watch?v=hDp2Bbppp9Y) (Remedy). 53 | - 2025: Talk [Privacy for blockchains](https://www.youtube.com/watch?v=c3-htx7dHeA) (Web3SSH conference). 54 | - 2025: Talk [FHE eats ZK for breakfast](https://www.youtube.com/watch?v=eXEcaPqb34w&t=311s) (EthDam conference & hackathon). Also judging and mentoring. 55 | - 2024: Talk [Zero Knowledge privacy in action](https://www.youtube.com/watch?v=mtucno8c9MQ) (EthPrague conference & hackathon). Also judging and mentoring. 56 | - 2023: Talk [How I learn ZK](https://www.youtube.com/watch?v=zC3uylrXAQ4) (ZkSummit conference). 57 | - 2023: Talk [ZK use cases](https://youtu.be/F7gPWpzVCD8) (Polygon meetup). 58 | - 2022: Talk [Privacy on Starknet](https://www.youtube.com/watch?v=3cYuBc3DAIg) (EthBrno conference & hackathon). Also judging and mentoring. 59 | - 2022: Talk [Privacy on Starknet](https://www.youtube.com/watch?v=yovqD0jtQSc) (PyChain conference). 60 | - 2018: one-day teaching session in Geneva, Switzerland at Geneve Center for Security Policy with topic "Blockchain for policy makers": https://twitter.com/anna_brach/status/1101132968796524544 61 | 62 | ## Get in touch 63 | 64 | [Find a medium](https://linktr.ee/lauripeltonen) that works for you! 65 | --------------------------------------------------------------------------------