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Bitcoin Exchange Security: Reserves, Account Controls, and Custody Risk

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Summary

This guide outlines criteria for assessing the security of a centralized Bitcoin exchange. It covers cold storage and reserve disclosures, account protections such as authenticator-based two-factor authentication, withdrawal address allowlists and anti-phishing codes, regulatory licensing, and the platform’s history and insurance practices. It also distinguishes exchange custody from self-custody: exchange users rely on a third party, while a hardware wallet gives the holder direct control of long-term assets. A hybrid approach is suggested for users who trade actively but keep longer-term holdings separately.

The article cautions that no exchange is risk-free and that crypto holdings generally do not receive the same deposit insurance as fiat balances at some US institutions. It notes that decentralized exchanges remove custodial dependence but bring smart-contract risks and greater operating complexity. These are useful operational risk distinctions, though the text does not provide a comparative scoring method, evidence for the relative safety of named platforms, or a complete checklist for evaluating reserve attestations and insurance coverage.

Key ideas

  • Exchange safety depends on custody practices, account controls, regulation, transparency, and incident history.
  • Reserve disclosures can help users assess whether an exchange reports backing for customer assets.
  • Authenticator-based two-factor authentication, withdrawal allowlists, and anti-phishing codes can reduce account compromise risk.
  • Exchange custody creates third-party exposure, while hardware-wallet self-custody shifts control and responsibility to the holder.
  • Decentralized exchanges reduce custodial dependence but introduce smart-contract and usability risks.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.