Immutable, scalable, and easy to use ledger service.
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Jun 28, 2024 - Clojure
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hash-chain
Here are 25 public repositories matching this topic...
Public append-only ledger microservice built with Slim Framework
php security cryptography knowledge chain proof hash blake2b security-tools sapient append-only hash-chain
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Jan 17, 2022 - PHP
Flash is a C library and CLI for append-only, verifiable event streams stored in ".flsh" files.
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Jan 22, 2026 - C
Deterministic governance layer for autonomous AI agents. Three functions. One invariant. If it can't prove integrity, it halts.
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Feb 20, 2026 - Python
Tamper-evident audit trail for OpenClaw agent runs
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Feb 2, 2026 - Rust
Flask web authentication portal with two-factor authentication using 100-iteration SHA-256 hash chain-based OTP, RSA-encrypted database storage (PKCS1_OAEP), secure password hashing, automatic OTP chain renewal, and session management. Educational Python web security project demonstrating modern authentication.
python flask security otp encryption authentication rsa web-application cybersecurity sha256 web-security mfa two-factor-authentication information-security hacettepe-university multi-factor-authentication 2fa hash-chain pycryptodome password-hashing
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Dec 31, 2025 - Python
Public settlement ledger for swarm.at — 901 hash-chained entries, 76 types
mcp ledger swarm settlement autonomous-agents ai-agents audit-trail hash-chain a2a settlement-protocol
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Mar 3, 2026 - Python
Tamper-evident hash chains for agent memory files 🔗
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Feb 26, 2026 - Shell
Open-source content fingerprinting and provenance engine. Registers images, proves first publication, detects reuse after transformation. Rust, CLIP ViT-B/32, ONNX Runtime.
rust computer-vision provenance nearest-neighbor-search perceptual-hashing clip image-forensics hash-chain digital-rights hnsw onnx-runtime axum c2pa content-authentication content-fingerprinting
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Feb 25, 2026 - Rust
Legal Act Change Tracker - Blockchain-inspired system for tracking legal amendments with AI simplification (Python, FastAPI, LLM)
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Jan 21, 2026 - Python
Open-source time-lock core and reference tools for the Lethesafe project.
open-source security cryptography hash-chain security-tool time-lock time-lock-puzzle deterministic-computation
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Feb 18, 2026 - Python
Academic paper: SHA-256 hash chains as evidence of computational reality. Covers Gödel incompleteness, Riemann zeta, DNA encoding.
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Mar 3, 2026 - HTML
HashMap and HashSet using Seperate Chaining for Collision Resolution
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Jan 3, 2019 - Java
Append-only immutable event log with hash chain integrity, temporal queries, and tiered storage
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Feb 15, 2026 - TypeScript
Merkle tree and hash chain utilities for building tamper-evident audit logs in Python
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Dec 24, 2025 - Python
🔐 Build a secure Flask authentication portal with two-factor authentication and RSA-encrypted storage for enhanced user data protection.
python flask security otp encryption authentication rsa cybersecurity sha256 web-security mfa two-factor-authentication hacettepe-university multi-factor-authentication hash-chain pycryptodome password-hashing
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Mar 4, 2026 - Python
Tamper-evident audit trail for OpenClaw agent workspaces. Hash-chained logs of every workspace change. Free alert layer.
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Feb 5, 2026 - Python
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