B20 Check
Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.
endpoint: https://b20check.com/mcp
registry: com.b20check/b20check
A
recent success 100% (30 probes) ·
MCP handshake OK
· protocol —
TLS valid (57d left) · latency 134.0 ms ·
HTTP 405 · auth open ·
tools 0
manifest 4f53cda18c2baa0c
· drift events seen here: 0
Embed this grade
<a href="https://golemreach.com/trust/s/1974"> <img src="https://golemreach.com/trust/badge/1974.svg" alt="golemreach trust grade"></a>
Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-12T10:00:23Z | ✓ | A | ✓ | 134.0 ms | 57d | 0 | 4f53cda18c2baa0c |
| 2026-10-12T03:59:30Z | ✓ | A | ✓ | 139.0 ms | 57d | 0 | 4f53cda18c2baa0c |
| 2026-10-11T21:57:46Z | ✓ | A | ✓ | 135.0 ms | 58d | 0 | 4f53cda18c2baa0c |
| 2026-10-11T15:57:02Z | ✓ | A | ✓ | 492.0 ms | 58d | 0 | 4f53cda18c2baa0c |
| 2026-10-11T09:56:46Z | ✓ | A | ✓ | 122.0 ms | 58d | 0 | 4f53cda18c2baa0c |
| 2026-10-11T03:56:00Z | ✓ | A | ✓ | 115.0 ms | 58d | 0 | 4f53cda18c2baa0c |
| 2026-10-10T21:55:13Z | ✓ | A | ✓ | 203.0 ms | 59d | 0 | 4f53cda18c2baa0c |
| 2026-10-10T15:52:55Z | ✓ | A | ✓ | 121.0 ms | 59d | 0 | 4f53cda18c2baa0c |
| 2026-10-10T09:52:19Z | ✓ | A | ✓ | 149.0 ms | 59d | 0 | 4f53cda18c2baa0c |
| 2026-10-10T03:51:55Z | ✓ | A | ✓ | 141.0 ms | 59d | 0 | 4f53cda18c2baa0c |
| 2026-10-09T21:51:04Z | ✓ | A | ✓ | 120.0 ms | 60d | 0 | 4f53cda18c2baa0c |
| 2026-10-09T15:50:06Z | ✓ | A | ✓ | 266.0 ms | 60d | 0 | 4f53cda18c2baa0c |
| 2026-10-09T09:49:09Z | ✓ | A | ✓ | 132.0 ms | 60d | 0 | 4f53cda18c2baa0c |
| 2026-10-09T03:47:55Z | ✓ | A | ✓ | 148.0 ms | 60d | 0 | 4f53cda18c2baa0c |
| 2026-10-08T21:46:04Z | ✓ | A | ✓ | 109.0 ms | 61d | 0 | 4f53cda18c2baa0c |
| 2026-10-08T15:44:31Z | ✓ | A | ✓ | 147.0 ms | 61d | 0 | 4f53cda18c2baa0c |
| 2026-10-08T09:43:58Z | ✓ | A | ✓ | 119.0 ms | 61d | 0 | 4f53cda18c2baa0c |
| 2026-10-08T03:43:03Z | ✓ | A | ✓ | 227.0 ms | 61d | 0 | 4f53cda18c2baa0c |
| 2026-10-07T21:42:20Z | ✓ | A | ✓ | 120.0 ms | 62d | 0 | 4f53cda18c2baa0c |
| 2026-10-07T15:41:22Z | ✓ | A | ✓ | 419.0 ms | 62d | 0 | 4f53cda18c2baa0c |
| 2026-10-07T09:39:52Z | ✓ | A | ✓ | 119.0 ms | 62d | 0 | 4f53cda18c2baa0c |
| 2026-10-07T03:39:30Z | ✓ | A | ✓ | 152.0 ms | 62d | 0 | 4f53cda18c2baa0c |
| 2026-10-06T21:38:50Z | ✓ | A | ✓ | 75.0 ms | 63d | 0 | 4f53cda18c2baa0c |
| 2026-10-06T15:38:02Z | ✓ | A | ✓ | 289.0 ms | 63d | 0 | 4f53cda18c2baa0c |
| 2026-10-06T09:36:46Z | ✓ | A | ✓ | 122.0 ms | 63d | 0 | 4f53cda18c2baa0c |
| 2026-10-06T03:35:05Z | ✓ | A | ✓ | 153.0 ms | 63d | 0 | 4f53cda18c2baa0c |
| 2026-10-05T21:33:49Z | ✓ | A | ✓ | 159.0 ms | 64d | 0 | 4f53cda18c2baa0c |
| 2026-10-05T15:31:58Z | ✓ | A | ✓ | 223.0 ms | 64d | 0 | 4f53cda18c2baa0c |
| 2026-10-05T09:30:50Z | ✓ | A | ✓ | 119.0 ms | 64d | 0 | 4f53cda18c2baa0c |
| 2026-10-05T03:29:19Z | ✓ | A | ✓ | 159.0 ms | 64d | 0 | 4f53cda18c2baa0c |