AlgoVoi (Christopher Hopley) Claim this profile

AlgoVoi apps & adapters — ecommerce, marketplace, AI-agent, and no-code integrations for the AlgoVoi x402 multi-chain payment gateway. Apache-2.0.

A reproducible comparison of substrate methods for agentic-payment records. Names no implementation; the bytes decide.

No description.

Don't trust AlgoVoi, verify us: 5-minute offline, post-quantum proof that AlgoVoi evidence is genuine and tamper-evident, with no AlgoVoi code in your trust base.

Conformance vector sets for JCS RFC 8785 canonicalisation across x402, AP2, A2A, MPP receipt anchor sets. Cross-validated across ten independent JCS implementations in ten languages.

AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.

AlgoVoi agentic-payments substrate -- JCS canonicalisation, action_ref, composite trust-query, compliance receipts, audit chain. Python + TypeScript reference implementations.

AlgoVoi RFC 9421 HTTP Message Signatures + RFC 9530 Content-Digest reference verifier (Python + TypeScript)

Scalable agent registry for AI agents using A2A protocol AgentCard with semantic search. AWS serverless (Lambda, S3 Vectors, Bedrock). Python SDK & React Web UI.

An open-source, serverless reference implementation for agentic commerce: pay-per-use generative AI, physical goods, and digital goods, where embedded wallets and autonomous AI agents settle USDC stablecoin micropayments over the x402 protocol using Amazon Bedrock AgentCore payments on AWS

Open source MCP Servers for AWS

Golang SDK for A2A Protocol

Establishing a universal standard of trust between AI agents and merchants for the next phase of agentic commerce.

Curated resources for the X402 ecosystem

Official Java SDK for the Agent2Agent (A2A) Protocol

Falcon-1024 (FIPS 206) keys and Algorand post-quantum accounts: keygen, deterministic sign/verify, falcon_verify LogicSig address derivation. Standalone, reproducible build from MIT sources.

Documentation for the AlgoVoi keystone: verifying agentic-action keystone chains and agent passports offline (RFC 8785 JCS + SHA-256).

The open substrate for agentic payments. Built so others could use it.

No description.

card_ref: a deterministic, content-addressed reference to an A2A AgentCard. RFC 8785 JCS + SHA-256, no JWS or JWKS. Apache-2.0.

C#/.NET SDK for A2A Protocol

artifact_ref: a deterministic, content-addressed reference to an A2A Task output. RFC 8785 JCS + SHA-256, no JWS or JWKS. Apache-2.0.

task_ref: a deterministic, content-addressed reference to an A2A Task delegation. RFC 8785 JCS + SHA-256, no JWS or JWKS. Apache-2.0.

AlgoVoi substrate hub

Cryptographic verifier for AlgoVoi JWS compliance receipts. Python + TypeScript. 13 cross-validation vectors (5 valid, 8 invalid). Apache-2.0.

Payment Evidence Frame (PEF) v1 -- AlgoVoi canonical wrapper for payment-lifecycle receipts

RFC 9421 HTTP Message Signatures + RFC 9530 Content-Digest signer (Ed25519) — Python + TypeScript

AlgoVoi substrate-author layer for JCS+PQC integration — signature_algorithm open-enum convention + cross-implementor byte-anchor convergence proof. Wraps PQClean (via pqcrypto), Anders Rundgren's rfc8785, and the Python Cryptographic Authority. AlgoVoi-authored substrate; underlying primitives credited per Apache-2.0 attribution.

Apache 2.0 reference implementation of an agent that emits an AlgoVoi settlement-attestation-v1 receipt for a Base chain transaction. Composes algovoi-substrate + algovoi-settlement-attestation. Byte-deterministic against algovoi-jcs-conformance-vectors.

Standalone reference verifier for AlgoVoi selective-disclosure audit bundles. Hosted at verify.algovoi.co.uk, or git-clone for offline auditor use. No AlgoVoi infrastructure trust required.

Tenant-side monitoring layer: sliding-window attack/abuse pattern detection for receipt and webhook verification events

Cryptographic verifier for AlgoVoi webhook signatures (v1 HMAC-SHA256 + v2 HKDF-SHA256/HMAC-SHA384)

AlgoVoi Agent Trust Bench client — run your AI agent through 166 adversarial x402 payment profiles and earn a Falcon-1024 signed reputation certificate.

Specifications for the Machine Payments Protocol - powered by the "Payment" HTTP authentication scheme

4-of-N on-chain consensus wallet blocklist for Algorand and VOI (algopy ARC-4)

Multi-chain agent-to-agent (A2A) crypto payments for ElizaOS — Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo via the AlgoVoi A2A gateway.

elizaOS Plugin Registry

Collection of evals for Inspect AI

AlgoVoi x Crest joint conformance harness (joint-harness-v0). AlgoVoi-authored; Crest contributed a service-trust conformance vector.

Multi-chain wallet authentication primitives (EVM/Algorand/VOI/Solana/Stellar/Hedera/Tempo/ARC) — extracted from AlgoVoi production gateway in support of A2A #1737

MCP server exposing AlgoVoi payment tools to Claude Desktop, Claude Code, Cursor and Windsurf — npm + PyPI

Joint canonical home for AP2 Post-Quantum cross-scheme conformance fixtures (AlgoVoi + PQSafe). One AP2 PaymentMandate canonical byte sequence, multiple signature primitives — ES256 + Ed25519 + Falcon-1024 (AlgoVoi) + ML-DSA-65 (PQSafe pending). Per AP2#250 lock-in.

🤖 Awesome list of AI Agents

A collection of awesome resources related AI security

No description.

The solana.com website.

BlockRun ecosystem - docs, SDKs, research, and community

Agent2Agent (A2A) – awesome A2A agents, tools, servers & clients, all in one place.

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

Canonical names for governance primitives across multi-issuer agent ecosystems. IANA JWT / JSON-LD precedent. Crosswalks per system.

A collection of JSON schema files including full API

AgentGraph: Trust and identity layer for the agent internet

The MPP registry — 100+ Machine Payments Protocol tools, SDKs, services, and payment methods across 15+ chains. The definitive directory for Stripe + Tempo agent payments.

A taxonomy for open source cryptocurrency, blockchain, and decentralized ecosystems

No description.

Cross-implementation conformance test suite for the Agent Passport System (APS) protocol. JCS-canonicalized fixture vectors for delegation, decision receipts, instruction provenance, and AIVSS scenarios.

Developer Tool for Programmable Money Payments

Local, policy-gated signing and wallet management for every chain.

An index of the LangChain + LangGraph ecosystem: concepts, projects, tools, templates, and guides for LLM & multi-agent apps.

Agent2Agent (A2A) – awesome A2A agents, tools, servers & clients, all in one place.

x402 Ecosystem Explorer

No description.

A payments protocol for the internet. Built on HTTP.

A comprehensive collection of Model Context Protocol (MCP) servers

connect any ai agents to solana protocols

EVM Account Abstraction on Algorand via ECDSA signature verification

Awesome MCP Servers - A curated list of Model Context Protocol servers

🚀 Curated list of x402 resources: HTTP 402 Payment Required protocol for blockchain payments, crypto micropayments, AI agents, API monetization. Includes SDKs (TypeScript, Python, Rust), examples, facilitators (Coinbase, Cloudflare), MCP integration, tutorials. Accept USDC payments with one line of code. Perfect for AI agent economy.

A curated list of 150+ papers and resources on Agentic Security. Based on the survey covering the transition from passive LLMs to autonomous agents, structured around three pillars: Applications (Red/Blue Teaming), Threats (Injection, Poisoning), and Defenses (Guardrails, Verification).

A curated list of awesome AI Red Teaming resources and tools.

Curated resources, research, and tools for securing AI systems

directory for Awesome MCP Servers

Plugins and code snippets to improve your WooCommerce store.

A collection of MCP servers.

A curated list of Model Context Protocol (MCP) servers

Agentic commerce is the shift from people clicking buy buttons to AI agents acting, deciding, negotiating, and transacting on behalf of users. This repository documents that shift.

⚡A curated list of awesome resources related to the Ⱥlgorand Blockchain ⛓

Hedera is an open-source, layer 1, EVM-compatible blockchain network. It supports smart contracts just like Ethereum does, and also offers several additional native services. The network is governed by leading organizations around the world.

Public repo of AI tooling to help build on Solana

😎 Awesome list of tools and projects with the awesome LangChain framework

Agent2Agent (A2A) – AgentCards, Servers, Clients, Docs

Building a Secure and Interoperable Future for AI-Driven Payments.

Wormhole NTT relayer — Algorand ↔ Base

Algorand ↔ Hedera treasury-model bridge relayer

JSON Registry for all the plugins in the elizaOS ecosystem

👨‍🚀 A curated list of Stellar applications, blog posts, educational resources, tools, and more.

A list of Base ecosystem links including (d)apps, projects and more. Base is an Ethereum L2, incubated by Coinbase.

🚀 Curated resources for Google's Agent Payments Protocol (AP2), A2A & x402 — blogs, videos, repos & specs. Contributions welcome!

🔗 A curated list of Blockchain & Crypto Model Context Protocol (MCP) servers. Enabling AI Agents to interact with the Blockchain, Web3, DeFi, on-chain data, on-chain actions, etc. 🚀

A collection of crypto MCP servers.

Awesome list of Solana links & info

🤖 The most comprehensive list of AI agents, frameworks & tools in 2026. 300+ resources · 20+ categories · Updated monthly.

The "Solana-Awesome" repository serves as a comprehensive, factual resource hub for anyone interested in learning about the Solana blockchain and its underlying technology. It is meticulously curated to include a wide array of informative materials such as articles, videos, and Twitter threads, as well as insightful blog posts.

DeMCP is the first Decentralized MCP network, offering SSE proxies for MCP services and mainstream LLMs, tackling trust and security with TEE and blockchain.

An Awesome list of curated DSPy resources.

A curated list of open-source projects built by the CrewAI community. Discover, contribute, and extend the possibilities of AI agents with CrewAI.

A framework agnostic wallet integration library for Algorand dApps

No description.

Dex on Voi testnet