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    Cross-Chain Bridge Exploit & Proof-of-Reserve Sentry

    1

    Audits cross-chain bridge collateral parity, Proof-of-Reserve solvency ratios, vault drain outflow anomalies, and multisig threshold mutations.

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    Cross-Chain Bridge Exploit & Proof-of-Reserve Sentry

    Cross-Chain Bridge Exploit & Proof-of-Reserve Sentry

    Example session with this skill installed

    Audit the Proof-of-Reserve and outflow anomaly status for Canonical Arbitrum WETH bridge on Ethereum.

    • Read your context and instructions
    • Compiled the cross-chain bridge exploit

    [BRIDGE SENTRY] CROSS-CHAIN INTEGRITY DOSSIER: ETH / ARB WETH

    Bridge Protocol: Canonical Arbitrum Nitro Bridge | Asset: Wrapped Ether (WETH) | Safety Score: 99 / 100

    1. Proof-of-Reserve Parity Telemetry
    • L1 Origin Vault Balance (Ethereum): 1,248,920.45 ETH (0x8315...267b)
    • L2 Destination Circulating Supply (Arbitrum): 1,248,895.12 WETH (0x82aF...014c)
    • Current In-Flight Deposits / Withdrawals: +25.33 ETH (Within normal 12-block confirmation window)
    • Solvency Ratio: 1.00002 (100.0% Collateralized — FULL PARITY CONFIRMED)
    2. Vault Outflow & Anomaly Telemetry
    • 24-Hour Gross Outflow: 14,250 ETH
    • Historical 30-Day Mean (Daily): 12,800 ETH ($\sigma = 2,100\text{ ETH}$)
    • Outflow Z-Score ($Z_{\text{outflow}}$): +0.69 (Healthy, normal market fluctuation)
    • Drain Alert Status: CLEAR (GREEN)
    3. Multisig & Validator Governance Status
    • Governance Architecture: L1 Rollup Bridge Contract + Decentralized Sequencer
    • Multisig Threshold: 9-of-12 Security Council Multisig (0xc244...2809)
    • Signer Status: Zero unapproved signer rotations in 180 days
    • Emergency Pause Capability: Active (Security Council timelocked veto)
    4. Final Security Directive

    CLEAR TO BRIDGE. Reserve backing is mathematically verified 1:1. Zero outflow anomalies or unauthorized signer mutations detected.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Cross-chain bridge exploit and Proof-of-Reserve verification sentry. Audits Layer-1 custody vault collateral vs Layer-2 wrapped tokens, detects vault drain anomalies, and flags unauthorized multisig signer rotations before bridge halts occur.

    Capabilities:

    • Proof-of-Reserve & Solvency Parity: Mathematically verifies 1:1 backing across origin lock vaults and destination wrapped supplies.
    • Vault Outflow Anomaly Radar: Uses rolling 30-day Z-score metrics to detect flash-loan-induced drains and validator key theft within blocks.
    • Validator & Multisig Threshold Audit: Guards against silent threshold reductions or unauthorized relayer replacements.
    • Historical Exploit Archetype Defense: Hardened against Wormhole (signature bypass), Nomad (replica root bypass), Ronin (validator key compromise), and Multichain (custody compromise).
    • 100% Offline & Private: Zero external network requirements or private key access. Evaluates on-chain state safely.

    Find more skills like this on the Claude Skills Marketplace, the Codex Skills Marketplace and the Gemini Skills Marketplace, or browse Claude Skills for Security.

    How to use

    1. 1

      Connect your agent to the Agensi MCP

      Copy the prompt and paste it into Claude, ChatGPT, Cursor or any agent that supports MCP. It sets up the connection for you. Manual setup

    2. 2

      Sign in to Agensi

      Your agent shows a sign-in link. Sign in and click Allow.

    3. 3

      Ask for what you need

      Your agent loads this skill and uses it on your task. It always asks before buying a skill.

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    Audits ledger states and bridge reserve proofs entirely in local runtime with zero outbound network calls.

    Listed7 days ago

    What's inside

    Frequently Asked Questions

    Audits cross-chain bridge collateral parity, Proof-of-Reserve solvency ratios, vault drain outflow anomalies, and multisig threshold mutations.

    This skill uses the open SKILL.md standard. Use it through an MCP-compatible agent connected to Agensi, and check the compatibility information on this page for confirmed agents and required capabilities.

    Connect your AI agent to Agensi through MCP, then ask it to use Cross-Chain Bridge Exploit & Proof-of-Reserve Sentry on your task. Your agent loads the latest approved version each time. Paid skills require a purchase or active subscription. Skill files are not available for download; your licence does not allow you to save, copy or export any part of a skill.

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