Building resilient Ethereum infrastructure and sustainable coordination mechanisms.
Ethereum Protocol Research
Deep-diving into consensus layer mechanisms and validator infrastructure:
- Consensus Layer: Casper FFG, LMD-GHOST, Inclusion Lists, Based Rollups, pre-confirmation designs & MEV trade-offs
- Validator Infrastructure: Solo validator operations, DVT (Obol Charon), Lido CSM, client diversity, slashing protection (EIP-3076), monitoring & incident response
Protocol Incubation
Devrel at Fracton Ventures β Japan's first Ethereum-focused incubator:
- Product definition, mechanism design, go-to-market strategy, governance setup
- Co-Organize Ethereum Meetup Tokyo and co-host ETH Tokyo
Validator Education & Operations
Selected as Obol Staking Mastery educator in Asia:
- Teaching solo-validator & DVT (Obol Charon) setup across APAC
- Writing comprehensive Japanese-language operator playbooks (DKG, cluster lockfiles, mev-boost hygiene, key ceremonies)
- Running production validators with battle-tested monitoring (Prometheus/Grafana/Alertmanager) and incident runbooks
Ethereum Infrastructure
- Execution Clients: Geth, Nethermind
- Consensus Clients: Lighthouse, Teku, Nimbus
- DVT: Obol Charon, cluster operations, DKG ceremonies
- MEV: mev-boost, relay policies, builder/proposer separation
Development
- Smart Contracts: Solidity, Hardhat, Foundry
- Frontend: Next.js, React, TypeScript, wagmi/viem, RainbowKit
- Backend: Node.js/TypeScript services, REST/GraphQL APIs
- DevOps: Docker, Ansible, GitHub Actions, monitoring stacks
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Obol Staking Mastery educator β Teaching DVT/Charon operations in Asiaγ Thread 1 | Thread 2
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Protocol Camp lecturer β Bootcamp for early protocol founders by Hashed (Asia's leading crypto VC)
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3-4 years of hands-on crypto incubator/accelerator experience
Committed to increasing Ethereum's geographic and validator decentralization, especially in Japan:
- Expanding solo staker knowledge and DVT adoption in APAC
- Cultural advocacy for decentralization values in societies historically accepting of centralized control
- Building censorship-resistant, fault-tolerant validator infrastructure
Personal: @cruujon
Organizations: Fracton Ventures| Obol Collective
Events: ETH Tokyo | DAO TOKYO
Building Ethereum infrastructure that's resilient, credible, and builder-friendly β one validator at a time.