Evidence row 69280

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.sys84.org/v1/services/wallet_risk_snapshot"
    ]
  ],
  "name": "api.sys84.org/v1/services/wallet_risk_snapshot",
  "owner_address": "0x64e4e6c18849ba687a468dcad0a582ac6f8089e4",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0x64e4e6c18849ba687A468dcad0A582AC6f8089E4",
        "resource": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "description": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "facilitator": {
          "settleUrl": "https://facilitator.naven.network/settle",
          "supportedUrl": "https://facilitator.naven.network/supported",
          "url": "https://facilitator.naven.network",
          "verifyUrl": "https://facilitator.naven.network/verify"
        },
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:4663",
        "payTo": "0x64e4e6c18849ba687A468dcad0A582AC6f8089E4",
        "resource": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
        "scheme": "exact"
      }
    ],
    "description": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.",
    "extensions": {
      "bazaar": {
        "category": "agent-risk",
        "description": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.",
        "info": {
          "category": "agent-risk",
          "description": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.",
          "input": {
            "body": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base",
              "refresh": true
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "method": "POST",
          "name": "SYS84 Wallet Risk Snapshot",
          "output": {
            "example": {
              "chain": "base",
              "quality": {
                "confidence": 1,
                "data_age_seconds": 0,
                "degraded": false,
                "partial": false,
                "provider_status": {
                  "address_security": "available",
                  "token_balances": "available",
                  "tx_count": "available"
                },
                "unavailable_sources": []
              },
              "reasons": [
                "no_onchain_history"
              ],
              "refresh": true,
              "risk_level": "low",
              "risk_score": 30,
              "service": "wallet_risk_snapshot",
              "signals": {
                "info_flags": [],
                "is_safe": true,
                "token_positions": 0,
                "tx_count": 0,
                "wallet_type": "eoa",
                "whale_tier": "🐟 Retail"
              },
              "sources": {
                "risk_model": "sys84_wallet_risk_snapshot_v1",
                "wallet_intel": "alchemy_token_balances + base_tx_count + goplus_address_security"
              },
              "ts": 1785806733,
              "verdict": "allow_with_limits",
              "wallet": "0x64e4e6c18849ba687A468dcad0A582AC6f8089E4"
            },
            "type": "json"
          },
          "provider": "SYS84",
          "routeTemplate": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
          "serviceName": "SYS84 Wallet Risk Snapshot",
          "tags": [
            "sys84",
            "x402",
            "agent",
            "risk",
            "wallet",
            "security",
            "defi",
            "base"
          ]
        },
        "method": "POST",
        "name": "SYS84 Wallet Risk Snapshot",
        "provider": "SYS84",
        "routeTemplate": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "address": {
                      "description": "string EVM wallet address to score",
                      "type": "string"
                    },
                    "chain": {
                      "description": "string optional, only base is supported",
                      "type": "string"
                    },
                    "refresh": {
                      "description": "boolean optional, all calls currently read fresh upstream data",
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "string EVM wallet address to score",
                      "type": "string"
                    },
                    "chain": {
                      "description": "string optional, only base is supported",
                      "type": "string"
                    },
                    "refresh": {
                      "description": "boolean optional, all calls currently read fresh upstream data",
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "quality": {
                      "description": "object partial/degraded state, unavailable sources, provider status, provider coverage, data age seconds; confidence is null until calibrated",
                      "type": "object"
                    },
                    "reasons": {
                      "description": "array of machine-readable reasons including contract_requires_separate_assessment, no_outgoing_transactions, few_outgoing_transactions, wallet_security_flags, and provider_data_partial",
                      "type": "array"
                    },
                    "refresh": {
                      "description": "boolean whether fresh upstream checks were requested",
                      "type": "boolean"
                    },
                    "risk_level": {
                      "description": "string minimal/low/medium/high/invalid",
                      "type": "string"
                    },
                    "risk_score": {
                      "description": "number 0-100, higher is riskier",
                      "type": "number"
                    },
                    "signals": {
                      "description": "object account nonce, outgoing transaction count for EOAs only, token positions and security flags; whale tier and unproven safety are null",
                      "type": "object"
                    },
                    "sources": {
                      "description": "object provider and risk-model identifiers",
                      "type": "object"
                    },
                    "ts": {
                      "description": "number Unix observation timestamp",
                      "type": "number"
                    },
                    "verdict": {
                      "description": "string allow/allow_with_limits/review/deny",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "serviceName": "SYS84 Wallet Risk Snapshot",
        "tags": [
          "sys84",
          "x402",
          "agent",
          "risk",
          "wallet",
          "security",
          "defi",
          "base"
        ]
      },
      "sign-in-with-x": {
        "info": {
          "domain": "api.sys84.org",
          "expirationTime": "2026-09-27T00:07:10.604Z",
          "issuedAt": "2026-09-27T00:02:10.604Z",
          "nonce": "160c373619c06bfe5dc9e641526a78c3",
          "resources": [
            "https://api.sys84.org/v1/services/wallet_risk_snapshot"
          ],
          "statement": "Sign in to re-fetch a SYS84 result this wallet already paid for. Signing is free and sends no transaction.",
          "uri": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "address": {
              "type": "string"
            },
            "chainId": {
              "type": "string"
            },
            "domain": {
              "type": "string"
            },
            "expirationTime": {
              "format": "date-time",
              "type": "string"
            },
            "issuedAt": {
              "format": "date-time",
              "type": "string"
            },
            "nonce": {
              "type": "string"
            },
            "notBefore": {
              "format": "date-time",
              "type": "string"
            },
            "requestId": {
              "type": "string"
            },
            "resources": {
              "items": {
                "format": "uri",
                "type": "string"
              },
              "type": "array"
            },
            "signature": {
              "type": "string"
            },
            "statement": {
              "type": "string"
            },
            "type": {
              "type": "string"
            },
            "uri": {
              "format": "uri",
              "type": "string"
            },
            "version": {
              "type": "string"
            }
          },
          "required": [
            "domain",
            "address",
            "uri",
            "version",
            "chainId",
            "type",
            "nonce",
            "issuedAt",
            "signature"
          ],
          "type": "object"
        },
        "supportedChains": [
          {
            "chainId": "eip155:8453",
            "type": "eip191"
          },
          {
            "chainId": "eip155:4663",
            "type": "eip191"
          }
        ]
      }
    },
    "lastUpdated": "2026-09-27T00:02:11.565Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-09-27T00:02:09.545Z"
    },
    "resource": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities."
}

What the leaf hashes

{"body":"f3899f947ff5f6c3b6f74b145a6820fd05472fec0739a15faeecd72ada4aad90","id":69280,"kind":"listing","method":"baseline/1","observed_us":1793025477919278,"prev":null,"subject":"x402_bazaar:https://api.sys84.org/v1/services/wallet_risk_snapshot","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.