# Glossary | Term | Meaning | | --------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------- | | PEARL | Native asset of the Pearl chain. | | PEARL ecosystem | Users, wallets, builders, applications, and infrastructure around PEARL. Black Pearl Market is independent ecosystem tooling. | | Pearl Research Labs | Public project/team associated with Pearl. Black Pearl Market is independent. | | Pearl Compute / Black Pearl Compute LLC | Separate similarly named entities, not Black Pearl Market. | | Compatible PEARL wallet | Wallet supporting the needed PEARL address format, network, and transaction behavior. | | PRC20 | Inscription-based token protocol indexed from Pearl chain transactions. | | Inscription | On-chain data used to encode PRC20 operations. | | Indexer | Service that derives readable state from chain data. | | OTC | Over-the-counter trading flow between buyer and seller. | | Bot-Assisted Orders | Order mode where eligible Telegram automation can help settlement steps. | | Human-Confirmed Orders | Order mode where users or counterparties confirm required steps directly. | | Listing | PRC20 marketplace or OTC sell intent. | | Bid | Buyer-side offer backed by EVM escrowed USDC. | | Ask | Seller-side offer to sell PEARL for USDC. | | Escrow | EVM contract that holds buyer USDC until claim/refund. | | EVM escrow | Contract-based USDC escrow used for buyer deposits, seller claims, and buyer refunds. | | HTLC-style settlement | Cross-chain settlement pattern where a secret/hashlock and refund windows coordinate release and recovery paths. | | Taproot lock transaction | PEARL transaction that locks seller PEARL into the PEARL-side settlement output. | | Taproot release transaction | PEARL transaction that releases the locked PEARL to the known buyer when the required secret/proof is available. | | Taproot sighash `0x83` | Release signature sighash byte used as part of transaction-binding protection. | | Wallet-secured secret | Secret created and protected by the wallet to coordinate PEARL release and EVM claim behavior. | | Known buyer | Buyer whose PEARL destination is known before the seller prepares the pre-signed release. | | Pre-signed release | Seller-signed Taproot release spend prepared for the known buyer before final release broadcast. | | Claim window | Time period when a claim action remains available before refund rules can apply. | | Seller claim window | Time period in which the seller can claim USDC from EVM escrow after the release/proof condition is available. | | Buyer protocol fee | Black Pearl Market OTC buyer-side protocol fee. The documented OTC flow uses 0%; network gas is separate. | | Seller-side protocol fee | Protocol fee accounted from seller proceeds during claim. | | Claim | Action that transfers escrowed funds to the eligible party using required proof/secret. | | Refund | Timeout-based recovery action returning funds to the original party. | | Timeout | Timestamp after which a refund or expiry action is permitted. | | EVM | Ethereum Virtual Machine compatible chain, such as Arbitrum. | | USDC | ERC20 stablecoin used by current escrow deployment. | | RPC | Remote Procedure Call endpoint used to query or submit chain data. | | Reorg | Chain reorganization that can change recent block history. | | Confirmation | Block inclusion depth that increases transaction confidence. | | dApp | Decentralized application that connects to a wallet. | | Chrome extension | Browser extension format used by Pearl Wallet. | | Witness | SegWit transaction witness data. | | Taproot | Bitcoin-style script/key path construction used by Pearl HTLC logic. | | HTLC | Hash Time Locked Contract; a lock that can be claimed with a secret or refunded after timeout. | | Hashlock | Hash of a secret used to authorize claim. | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.blackpearlmarket.com/glossary.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.