{
  "schemaVersion": "1.0",
  "item": {
    "slug": "cardano",
    "name": "Cardano",
    "source": "tencent",
    "type": "skill",
    "category": "AI 智能",
    "sourceUrl": "https://clawhub.ai/ivangdavila/cardano",
    "canonicalUrl": "https://clawhub.ai/ivangdavila/cardano",
    "targetPlatform": "OpenClaw"
  },
  "install": {
    "downloadMode": "redirect",
    "downloadUrl": "/downloads/cardano",
    "sourceDownloadUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=cardano",
    "sourcePlatform": "tencent",
    "targetPlatform": "OpenClaw",
    "installMethod": "Manual import",
    "extraction": "Extract archive",
    "prerequisites": [
      "OpenClaw"
    ],
    "packageFormat": "ZIP package",
    "includedAssets": [
      "SKILL.md"
    ],
    "primaryDoc": "SKILL.md",
    "quickSetup": [
      "Download the package from Yavira.",
      "Extract the archive and review SKILL.md first.",
      "Import or place the package into your OpenClaw setup."
    ],
    "agentAssist": {
      "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.",
      "steps": [
        "Download the package from Yavira.",
        "Extract it into a folder your agent can access.",
        "Paste one of the prompts below and point your agent at the extracted folder."
      ],
      "prompts": [
        {
          "label": "New install",
          "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete."
        },
        {
          "label": "Upgrade existing",
          "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run."
        }
      ]
    },
    "sourceHealth": {
      "source": "tencent",
      "status": "healthy",
      "reason": "direct_download_ok",
      "recommendedAction": "download",
      "checkedAt": "2026-04-23T16:43:11.935Z",
      "expiresAt": "2026-04-30T16:43:11.935Z",
      "httpStatus": 200,
      "finalUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=4claw-imageboard",
      "contentType": "application/zip",
      "probeMethod": "head",
      "details": {
        "probeUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=4claw-imageboard",
        "contentDisposition": "attachment; filename=\"4claw-imageboard-1.0.1.zip\"",
        "redirectLocation": null,
        "bodySnippet": null
      },
      "scope": "source",
      "summary": "Source download looks usable.",
      "detail": "Yavira can redirect you to the upstream package for this source.",
      "primaryActionLabel": "Download for OpenClaw",
      "primaryActionHref": "/downloads/cardano"
    },
    "validation": {
      "installChecklist": [
        "Use the Yavira download entry.",
        "Review SKILL.md after the package is downloaded.",
        "Confirm the extracted package contains the expected setup assets."
      ],
      "postInstallChecks": [
        "Confirm the extracted package includes the expected docs or setup files.",
        "Validate the skill or prompts are available in your target agent workspace.",
        "Capture any manual follow-up steps the agent could not complete."
      ]
    },
    "downloadPageUrl": "https://openagent3.xyz/downloads/cardano",
    "agentPageUrl": "https://openagent3.xyz/skills/cardano/agent",
    "manifestUrl": "https://openagent3.xyz/skills/cardano/agent.json",
    "briefUrl": "https://openagent3.xyz/skills/cardano/agent.md"
  },
  "agentAssist": {
    "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.",
    "steps": [
      "Download the package from Yavira.",
      "Extract it into a folder your agent can access.",
      "Paste one of the prompts below and point your agent at the extracted folder."
    ],
    "prompts": [
      {
        "label": "New install",
        "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete."
      },
      {
        "label": "Upgrade existing",
        "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run."
      }
    ]
  },
  "documentation": {
    "source": "clawhub",
    "primaryDoc": "SKILL.md",
    "sections": [
      {
        "title": "UTxO Model (Critical Difference)",
        "body": "Cardano uses UTxO like Bitcoin, not accounts like Ethereum — each transaction consumes and creates outputs\nWallet balance is sum of all UTxOs — not a single account balance\nTransaction fees depend on size — more inputs/outputs = higher fee\nChange outputs created automatically — transactions consume full UTxOs and return change\nMinimum UTxO value required — can't create outputs below threshold (currently ~1 ADA)"
      },
      {
        "title": "Transaction Characteristics",
        "body": "Transactions are deterministic — you know exact fee before submitting\nNo failed transactions that consume fees — if it fails, no fee charged\nMulti-asset transactions native — send ADA and tokens in same transaction\nMetadata can be attached — up to 16KB of arbitrary data"
      },
      {
        "title": "Native Tokens",
        "body": "Tokens are first-class citizens — not smart contracts, native protocol support\nMinting requires policy script — defines who can mint/burn and when\nTokens must be sent with minimum ADA — tokens can't exist alone in UTxO\nPolicy ID identifies the token — verify policy ID for authenticity\nBurning requires same policy script — time-locked policies can't burn after deadline"
      },
      {
        "title": "Staking",
        "body": "Non-custodial staking — ADA stays in your wallet, fully liquid\nDelegate to stake pools — no minimum, no lockup\nRewards every epoch (5 days) — automatic, no claiming required\nFirst rewards appear after 15-20 days — registration and reward delay\nPool saturation affects rewards — overly popular pools give diminishing returns"
      },
      {
        "title": "Choosing Stake Pools",
        "body": "Pool margin is operator's cut — lower isn't always better, quality matters\nFixed cost (340 ADA minimum) taken before margin — affects small delegators more\nPledge shows operator commitment — higher pledge often indicates reliability\nCheck pool uptime and block production — missed blocks mean missed rewards\nAvoid pools near saturation — rewards decrease above saturation point"
      },
      {
        "title": "Wallets",
        "body": "Daedalus is full node wallet — downloads entire blockchain, most secure\nYoroi is light wallet — faster, browser extension available\nHardware wallet support — Ledger and Trezor via compatible software\n15 or 24 word seed phrases — don't mix formats between wallets\nStaking key separate from spending key — can stake without exposing full access"
      },
      {
        "title": "Smart Contracts (Plutus)",
        "body": "eUTxO model extends UTxO with data and scripts — different from Ethereum EVM\nTransactions must be built off-chain — then submitted to chain\nDeterministic execution — same inputs always produce same outputs\nHigher collateral requirements — locked ADA returned if transaction succeeds\nScript size affects fees — optimize for smaller scripts"
      },
      {
        "title": "Common Transaction Issues",
        "body": "\"Insufficient funds for fee\" — need more ADA than just transfer amount\n\"Minimum UTxO not met\" — output too small, must include more ADA\n\"UTxO too fragmented\" — many small UTxOs, consolidate with self-transfer\n\"Collateral required\" — smart contract interaction needs collateral UTxO\n\"Transaction too large\" — too many inputs, split into multiple transactions"
      },
      {
        "title": "Network and Epochs",
        "body": "Epoch is 5 days — staking rewards and protocol updates follow epoch boundaries\nSlot every 1 second — blocks approximately every 20 seconds\nHard forks via Hard Fork Combinator — seamless upgrades without chain splits\nTestnet (preprod, preview) for development — free test ADA from faucets"
      },
      {
        "title": "Security",
        "body": "Seed phrase is everything — never share, never enter online\nVerify transaction details on hardware wallet screen — software can lie\nCheck policy IDs for tokens — scam tokens can have same name as legitimate ones\nDApp connections don't expose seed — only public key and signing requests\nStake pool changes take effect after epoch boundary — not instant"
      },
      {
        "title": "NFTs and Metadata",
        "body": "NFTs are native tokens with quantity 1 — no special contract needed\nCIP-25 standard for NFT metadata — JSON metadata with image links\nMetadata stored on-chain — permanent and verifiable\nIPFS commonly used for images — verify IPFS pinning is permanent\njpg.store, cnft.io for marketplace — verify NFT policies before buying"
      },
      {
        "title": "Governance",
        "body": "Voltaire era introducing on-chain governance — ADA holders vote on proposals\nProject Catalyst for treasury funding — community-voted grants\nConstitutional Committee, DReps — delegated representation coming\nStaking and governance participation can overlap — same ADA, different roles"
      }
    ],
    "body": "UTxO Model (Critical Difference)\nCardano uses UTxO like Bitcoin, not accounts like Ethereum — each transaction consumes and creates outputs\nWallet balance is sum of all UTxOs — not a single account balance\nTransaction fees depend on size — more inputs/outputs = higher fee\nChange outputs created automatically — transactions consume full UTxOs and return change\nMinimum UTxO value required — can't create outputs below threshold (currently ~1 ADA)\nTransaction Characteristics\nTransactions are deterministic — you know exact fee before submitting\nNo failed transactions that consume fees — if it fails, no fee charged\nMulti-asset transactions native — send ADA and tokens in same transaction\nMetadata can be attached — up to 16KB of arbitrary data\nNative Tokens\nTokens are first-class citizens — not smart contracts, native protocol support\nMinting requires policy script — defines who can mint/burn and when\nTokens must be sent with minimum ADA — tokens can't exist alone in UTxO\nPolicy ID identifies the token — verify policy ID for authenticity\nBurning requires same policy script — time-locked policies can't burn after deadline\nStaking\nNon-custodial staking — ADA stays in your wallet, fully liquid\nDelegate to stake pools — no minimum, no lockup\nRewards every epoch (5 days) — automatic, no claiming required\nFirst rewards appear after 15-20 days — registration and reward delay\nPool saturation affects rewards — overly popular pools give diminishing returns\nChoosing Stake Pools\nPool margin is operator's cut — lower isn't always better, quality matters\nFixed cost (340 ADA minimum) taken before margin — affects small delegators more\nPledge shows operator commitment — higher pledge often indicates reliability\nCheck pool uptime and block production — missed blocks mean missed rewards\nAvoid pools near saturation — rewards decrease above saturation point\nWallets\nDaedalus is full node wallet — downloads entire blockchain, most secure\nYoroi is light wallet — faster, browser extension available\nHardware wallet support — Ledger and Trezor via compatible software\n15 or 24 word seed phrases — don't mix formats between wallets\nStaking key separate from spending key — can stake without exposing full access\nSmart Contracts (Plutus)\neUTxO model extends UTxO with data and scripts — different from Ethereum EVM\nTransactions must be built off-chain — then submitted to chain\nDeterministic execution — same inputs always produce same outputs\nHigher collateral requirements — locked ADA returned if transaction succeeds\nScript size affects fees — optimize for smaller scripts\nCommon Transaction Issues\n\"Insufficient funds for fee\" — need more ADA than just transfer amount\n\"Minimum UTxO not met\" — output too small, must include more ADA\n\"UTxO too fragmented\" — many small UTxOs, consolidate with self-transfer\n\"Collateral required\" — smart contract interaction needs collateral UTxO\n\"Transaction too large\" — too many inputs, split into multiple transactions\nNetwork and Epochs\nEpoch is 5 days — staking rewards and protocol updates follow epoch boundaries\nSlot every 1 second — blocks approximately every 20 seconds\nHard forks via Hard Fork Combinator — seamless upgrades without chain splits\nTestnet (preprod, preview) for development — free test ADA from faucets\nSecurity\nSeed phrase is everything — never share, never enter online\nVerify transaction details on hardware wallet screen — software can lie\nCheck policy IDs for tokens — scam tokens can have same name as legitimate ones\nDApp connections don't expose seed — only public key and signing requests\nStake pool changes take effect after epoch boundary — not instant\nNFTs and Metadata\nNFTs are native tokens with quantity 1 — no special contract needed\nCIP-25 standard for NFT metadata — JSON metadata with image links\nMetadata stored on-chain — permanent and verifiable\nIPFS commonly used for images — verify IPFS pinning is permanent\njpg.store, cnft.io for marketplace — verify NFT policies before buying\nGovernance\nVoltaire era introducing on-chain governance — ADA holders vote on proposals\nProject Catalyst for treasury funding — community-voted grants\nConstitutional Committee, DReps — delegated representation coming\nStaking and governance participation can overlap — same ADA, different roles"
  },
  "trust": {
    "sourceLabel": "tencent",
    "provenanceUrl": "https://clawhub.ai/ivangdavila/cardano",
    "publisherUrl": "https://clawhub.ai/ivangdavila/cardano",
    "owner": "ivangdavila",
    "version": "1.0.0",
    "license": null,
    "verificationStatus": "Indexed source record"
  },
  "links": {
    "detailUrl": "https://openagent3.xyz/skills/cardano",
    "downloadUrl": "https://openagent3.xyz/downloads/cardano",
    "agentUrl": "https://openagent3.xyz/skills/cardano/agent",
    "manifestUrl": "https://openagent3.xyz/skills/cardano/agent.json",
    "briefUrl": "https://openagent3.xyz/skills/cardano/agent.md"
  }
}