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Achievements

Achievement: Pull Sharkx4Achievement: Pair Extraordinairex4Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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0xciph3r/README.md

Hanzo Hasashi

Bitcoin custody and infrastructure security.

Building systems that protect private keys at scale — threshold signatures, HSM integration, TEE attestation, and secure node deployments.

Selected Work

btc-custody
FROST threshold signing for Taproot. HSM-backed key shares, configurable policy engine, STRIDE-validated threat model.

attested-custody
Research: combining FROST with TEE-backed key protection. Whitepaper and reference implementation in progress.

lnaudit
Security auditing framework for Lightning Network infrastructure. 30+ automated checks, CVE correlation, remediation guidance.

terraform-aws-bitcoin-enclave-node
Hardened Bitcoin Core on AWS Nitro Enclaves. Attestation, sealed storage, OIDC-integrated CI/CD.

Background

7 years in platform engineering. Focused on Bitcoin infrastructure security — custody architecture, key management, and protocol-level hardening.

Currently researching TEE attestation models for threshold signing.

Go · Rust · Terraform · Kubernetes · Bitcoin Core · LND

Pinned Loading

  1. terraform-aws-bitcoin-enclave-node terraform-aws-bitcoin-enclave-node Public

    A suite of Terraform/OpenTofu modules that deploy Hardened AWS Nitro Enclave Hosts with integrated OIDC-based CI/CD.

    HCL 1

  2. bitcoin-address-analyzer bitcoin-address-analyzer Public

    CLI tool that analyzes and validates Bitcoin addresses

    Rust

  3. lnd-deep-dive lnd-deep-dive Public

    ⚡ A Security Engineer's Guide to the Lightning Network Daemon — Maps Mastering the Lightning Network to LND source code with 18 security findings

    4 1

  4. lnaudit lnaudit Public

    A security auditing framework for Lightning Network infrastructure. Comprehensive configuration scanning and runtime checks for LND nodes.

    Go 8

  5. btc-custody btc-custody Public

    Production-grade Bitcoin custody system: HSM (PKCS#11), FROST/MuSig2 threshold signing, hot/cold wallet, policy engine, PSBT air-gapped workflows

    Go 1

  6. attested-custody attested-custody Public

    FROST threshold signing with TEE-backed key protection — whitepaper and reference implementation

    1