Immutable, scalable, and easy to use ledger service.

Public append-only ledger microservice built with Slim Framework

Chronicle - Verifiable Audit Logging and Append-Only Audit Trails for Laravel.

The trust economy for autonomous AI agents. Credit scores for machines. Agents earn Trust Capital through verified behavior, gating what they are allowed to do. Autonomy earned, not granted.

The open protocol for cryptographically sealed audit records of autonomous AI operations. SHA3-256 + Ed25519 + hash chain. Spec, conformance suite, and reference implementations in Python and TypeScript.

Privacy-first browser attestation framework for anti-bot and anti-AI scraping. Stateless, cryptographic, and Unix-native. Uses Ed25519 heartbeat chains, WASM attestation, and behavioral continuity validation without tracking users, storing IPs, or collecting telemetry.

Tamper-evident audit log for Go: an append-only, hash-chained, optionally Ed25519-signed log/slog handler, with offline logx verify. Built on the standard library, zero third-party dependencies. Also a full slog toolkit (colored output, JSON, rotation, fan-out, CLI).

Tamper-evident audit logging for OpenClaw and other local AI agents: hash-chained, locally verifiable, zero cloud dependency.

Local-first governance framework for AI agents. Tamper-evident audit logs, pre-execution gatekeeping, kill switches. No tokens.

Learn COBOL through a live banking system — 18 programs, 6-node settlement network, real-time simulation, Python read/write bridge, SHA-256 tamper detection, AI tutor (Ollama + Claude), static analysis with orthogonal call graphs, and a glass morphism web console. 800 tests.

Cryptographically verifiable audit trail for AI systems — Ed25519 signed, hash-chained Decision Receipts with ISO 42001 / NIST AI RMF compliance. No blockchain, no SaaS.

AIE Audit-Chain: Ed25519 + O(log n) Merkle audit-trail for KMU consulting (EU AI Act Art. 12). Part of the AIE audit-stack.

RIO Receipt Protocol — Cryptographic proof for AI actions. Open standard for tamper-evident receipts, hash-chained ledgers, and independent verification.

The trust layer for AI agents — cryptographic proof of every decision

Capsule Protocol integration for LiteLLM. Automatic cryptographic audit trail for every LLM call.

Tamper Signal: signed receipts for vibe-coded data pipelines. Proves nobody changed your data, and shows the exact link if they did.

Beyond observability. State over time. Tamper-evident audit + correlation SDK for AI agents and software systems. Hash-chained rows, logs, and HTTP access threaded by one request_id. The substrate for compliance and AI governance.

Flash is a C library and CLI for append-only, verifiable event streams stored in ".flsh" files.

Capture, preserve, and organize web evidence with cryptographic integrity

Agent Bazaar: an agent-native marketplace inspired by NARA. ed25519 identity, signed Aapp calls, hash-chained ledger, and a live explorer dashboard.