specification: API Evangelist Vocabulary
specificationVersion: '0.1'
provider: Blockdaemon
providerId: blockdaemon
created: '2026-05-25'
modified: '2026-05-25'
description: Operational vocabulary mapping Blockdaemon platform concepts across blockchain infrastructure,
  staking, custody, data, and DeFi capabilities.
tags:
  - Blockchain
  - Web3
  - Vocabulary
concepts:
  - id: bd:Provider
    label: Blockchain Infrastructure Provider
    description: An organization operating production node infrastructure, staking validators, indexed data
      services, and custody for institutional clients.
  - id: bd:Protocol
    label: Blockchain Protocol
    description: A distinct blockchain network specification (e.g., Ethereum, Bitcoin, Solana).
  - id: bd:Network
    label: Blockchain Network
    description: A specific deployment of a protocol (mainnet, testnet, holesky, devnet).
  - id: bd:Block
    label: Block
    description: An ordered batch of confirmed transactions in a blockchain.
  - id: bd:Transaction
    label: Transaction
    description: A signed state transition recorded on a blockchain.
  - id: bd:Account
    label: Account
    description: An on-chain identity (address) able to hold balances and send transactions.
  - id: bd:Balance
    label: Balance
    description: The amount of a currency or token held by an account at a given block height.
  - id: bd:Node
    label: Blockchain Node
    description: A protocol-specific software process that maintains chain state and serves RPC requests.
  - id: bd:DedicatedNode
    label: Dedicated Node
    description: A node provisioned exclusively for one customer with no rate limit and configurable capacity.
  - id: bd:Validator
    label: Validator
    description: A node staked into a proof-of-stake network's active set, producing or attesting blocks.
  - id: bd:Delegation
    label: Delegation
    description: A transfer of stake from a delegator to a validator without transferring ownership.
  - id: bd:Reward
    label: Staking Reward
    description: Tokens distributed to validators and delegators for producing/attesting blocks.
  - id: bd:Slashing
    label: Slashing
    description: A protocol-enforced penalty applied to misbehaving validators.
  - id: bd:MEVReward
    label: MEV Reward
    description: Maximal extractable value distributed alongside protocol-issued rewards.
  - id: bd:MPCWallet
    label: MPC Wallet
    description: A wallet whose private key is split into shares using threshold cryptography.
  - id: bd:Vault
    label: Institutional Vault
    description: A self-hosted MPC vault with governance, transaction policies, and approval workflows.
  - id: bd:AutomatedApprover
    label: Automated Approver
    description: A policy engine that programmatically approves signing requests against pre-defined rules.
  - id: bd:DEX
    label: Decentralized Exchange
    description: An on-chain venue for swapping tokens via automated market makers or order books.
  - id: bd:Bridge
    label: Cross-Chain Bridge
    description: A protocol for moving assets between blockchain networks.
  - id: bd:LendingPool
    label: Lending Pool
    description: An on-chain pool of collateral and borrowable assets (e.g., Aave, Compound).
  - id: bd:Swap
    label: Swap
    description: A transaction that exchanges one token for another via a DEX or bridge.
  - id: bd:Token
    label: Token
    description: A fungible or non-fungible on-chain asset.
  - id: bd:ComputeUnit
    label: Compute Unit
    description: Blockdaemon's metering unit representing the computational cost of an API call.
  - id: bd:Rule
    label: Chain Watch Rule
    description: A configured pattern for matching on-chain events.
  - id: bd:Target
    label: Chain Watch Target
    description: A configured destination (webhook/Kafka/WebSocket) for matched events.
  - id: bd:Variable
    label: Chain Watch Variable
    description: A reusable scoping list of addresses, validators, or token IDs referenced by rules.
  - id: bd:Event
    label: Unified Event
    description: A normalized Chain Watch event in unified format across all supported protocols.
  - id: bd:Webhook
    label: Webhook
    description: An HTTP callback delivering Chain Watch events to a customer endpoint.
  - id: bd:KYB
    label: Business Verification
    description: Know-Your-Business onboarding required for institutional customers.
relations:
  - subject: bd:Validator
    predicate: bd:operatedBy
    object: bd:Provider
  - subject: bd:Delegation
    predicate: bd:delegatesTo
    object: bd:Validator
  - subject: bd:Reward
    predicate: bd:accruesFor
    object: bd:Delegation
  - subject: bd:Swap
    predicate: bd:executedOn
    object: bd:DEX
  - subject: bd:Event
    predicate: bd:matchedBy
    object: bd:Rule
  - subject: bd:Rule
    predicate: bd:deliversTo
    object: bd:Target