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Terms

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On-Ramp

Converting fiat currency (COP, MXN, USD) to cryptocurrency (USDC, USDT).

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Off-Ramp

Converting cryptocurrency (USDC, USDT) to fiat currency (COP, MXN, USD).

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Quotation

A price quote that locks in an exchange rate for 30 seconds.

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KYC

Know Your Customer - identity verification process.

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KYB

Know Your Business - business entity verification.

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Access Level

KYC tier (L0-L4) determining transaction limits.

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Pre-Fund Account

Balance account for instant transaction execution.

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CLABE

18-digit Mexican bank account number for SPEI transfers.

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PSE

Pagos Seguros en Línea - Colombian online payment system.

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SPEI

Sistema de Pagos Electrónicos Interbancarios - Mexican instant payment system.

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Stablecoin

Cryptocurrency pegged to fiat currency (USDC, USDT = $1 USD).

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Gas Fee

Blockchain transaction fee paid in native token (MATIC, SOL, ETH).

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External ID

Your system’s unique identifier for a KillB resource.

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Webhook

HTTP callback for real-time event notifications.

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Custodial Account

Account where KillB holds and manages the funds.

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Non-Custodial

User controls private keys, KillB facilitates transactions only.

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Acronyms

  • ACH: Automated Clearing House (US bank transfers)
  • AML: Anti-Money Laundering
  • API: Application Programming Interface
  • DeFi: Decentralized Finance
  • ERC20: Ethereum token standard
  • HMAC: Hash-based Message Authentication Code
  • JWT: JSON Web Token
  • KYC: Know Your Customer
  • KYB: Know Your Business
  • PSE: Pagos Seguros en Línea
  • SPEI: Sistema de Pagos Electrónicos Interbancarios
  • TXN: Transaction
  • USD/USDC/USDT: US Dollar / USD Coin / Tether USD