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KYC

KYC (Know Your Customer) is the regulatory process where cryptocurrency exchanges verify users' identities using documents like ID or proof of address to prevent fraud and money laundering.

General
Updated: Mar 19, 2026
Also known as: Know Your Customer identity verification

What Is a KYC?

A KYC (Know Your Customer) process requires cryptocurrency exchanges and financial institutions to verify users' identities. This regulatory practice prevents fraud, money laundering, and terrorist financing. Users provide personal details to prove who they are.

Exchanges implement KYC by asking users to submit documents like passports, driver's licenses, or utility bills. Users often upload a selfie for liveness detection. Platforms use AI tools or third-party services such as Jumio or Sumsub to scan and validate submissions. Verification completes in minutes for automated checks or days for manual reviews.

KYC matters in crypto because unregulated trading risks illegal fund flows. Regulators like the FATF enforce it on virtual asset service providers. It links blockchain transactions to real-world identities, boosting security and user trust. Without KYC, exchanges face fines or shutdowns.

Key types of KYC include:

  • Basic KYC: Verifies email or phone only, for low-risk access.
  • Full KYC: Requires ID and proof of address, standard for trading.
  • Enhanced Due Diligence (EDD): Adds source-of-funds checks for high-risk users or large withdrawals.

While KYC improves compliance, it raises privacy concerns in the pseudonymous crypto space. Some decentralized platforms skip it but operate in legal gray areas.

GeneralCryptocurrency

Cryptocurrency is a digital or virtual currency secured by cryptography, operating on decentralized blockchain networks to enable secure, peer-to-peer transactions.

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RegulationFATF

The FATF (Financial Action Task Force) is an international body that sets standards for combating money laundering and terrorist financing, including in the cryptocurrency sector.

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Real-World Examples

Example 1: A new user joins Binance. The exchange requires KYC to enable deposits. The user uploads a driver's license and utility bill. AI verifies the documents in 10 minutes, unlocking trading.

Example 2: On Coinbase, a trader wants to withdraw $10,000. Full KYC triggers, including proof of address. Manual review takes 2 days, preventing potential money laundering.

Example 3: Kraken applies enhanced due diligence (EDD) for high-risk users. They check source of funds for a $50,000 crypto deposit from an unfamiliar wallet.

Example 4: Ledger hardware wallet users connect to non-KYC DEXs like Uniswap. No ID needed for swaps, but fiat on-ramps via exchanges enforce KYC.

DefiSwap

In cryptocurrency, a swap is the direct exchange of one token for another on a blockchain, often via decentralized exchanges (DEXs) without intermediaries.

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GeneralCryptocurrency

Cryptocurrency is a digital or virtual currency secured by cryptography, operating on decentralized blockchain networks to enable secure, peer-to-peer transactions.

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HardwareLedger

Ledger is a brand of hardware wallets that securely store cryptocurrency private keys offline, such as the Ledger Nano series.

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GeneralFiat

Fiat is government-issued currency, like the US dollar or euro, not backed by a physical commodity. It derives value from official decree and contrasts with decentralized cryptocurrencies.

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