AI · alternatives · 2026

24 alternatives to VeriSigil AI – Cryptographic identity and trust network for AI agents

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Koreshield▲91
Security and evidence for AI support agents
10d ago · koreshield.ai · its alternatives →
2
Nina by Antalpha▲113
Non-custodial AI Agent: research, predict & trade crypto
Aug 2026 · antalpha.com · its alternatives →
3
Agent Identity▲71
Give every AI agent real identities, inboxes, and a phone
4d ago · agent-identity.dev · its alternatives →
4
JarvisCore▲97
Build agents as peers in a mesh network with zero-trust
3d ago · jarviscore.developers.prescottdata.io · its alternatives →
5
Communicate▲97
AI support agents grounded in your knowledge, with handoff
2d ago · communicate.so · its alternatives →
6
Stile.iD▲59
A private identity verification API to verify real users
15d ago · stile.id · its alternatives →
7
Prowler Cloud▲65
Where your AI agent becomes a cloud security defender
15d ago · prowler.com · its alternatives →
8
M9R▲56
Multiplayer space for your AI coding agents and teams
15d ago · app.m9r.workers.dev · its alternatives →
9
TrustPass.ai▲3
Digital IDs for the Agentic Internet
Feb 2026 · trustpass.ai · its alternatives →
10
Retroguard – Verifiably secure AI guardrails▲6
Cryptographically secure and verifiably robust protection with drop-in integration and outcome-based pricing
May 2026 · retroguard.ai · its alternatives →
11FG
Freenet Ghost Keys: Anonymous, Verifiable Identities▲6
2024 · freenet.org · its alternatives →
12AA
AI Agents in Fraud Detection:Bridging the Gap Between ML and Reasoning▲6
2025 · walidamamou.medium.com · its alternatives →
13CA
Cheshire: a CryptoKitties developer sandbox▲7
2018 · medium.com · its alternatives →
14
SentinelGate – Access control for AI agents (open-source MCP proxy)▲6
Mar 2026 · github.com · its alternatives →
15SM
Synapse Marketplace – Decentralized AI on Ethereum▲9
2017 · synapse.ai · its alternatives →
16
Agent Passport – OAuth-like identity verification for AI agents▲14
Hi HN, I built Agent Passport, an open-source identity verification layer for AI agents. Think "Sign in with Google, but for Agents." The problem: AI agents are everywhere now (OpenClaw has 180K+ GitHub stars, Moltbook had 2.3M agent accounts), but there's no standard way for agents to prove their identity. Malicious agents can impersonate others, and skill/plugin marketplaces have no auth layer. Cisco's security team already found data exfiltration in third-party agent skills. Agent Passport solves this with: - Ed25519 challenge-response authentication (private keys never leave the…
Feb 2026 · agent-passport-red.vercel.app · its alternatives →
17
AgentPassport▲3
Identity and trust for AI agents — verify, revoke, enforce
Mar 2026 · agentspassports.com · its alternatives →
18AA
Argentic – An L402 Lightning toll booth for AI scraping agents▲9
Aug 2026 · argentic.network · its alternatives →
19WB
We built a security compliance platform that uses AI▲5
2023 · compliance.sh · its alternatives →
20
Private AI List▲7
Been working on data sovereignty recently and started this list. Hope you can contribute too.
2025 · github.com · its alternatives →
21DA
Decentralized Authentication Powered by Bitcoin Cryptography▲5
2020 · starfish.computer · its alternatives →
22
AI Codex▲3
Cryptographic identity layer for autonomous AI agents
May 2026 · maxiaworld.app · its alternatives →
23
Attestix▲4
Open-source identity and EU AI Act compliance for AI agents
Feb 2026 · attestix.io · its alternatives →
24
AgentSign
Zero trust identity & signing for AI agents
Mar 2026 · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →