---
title: "Coinbase quantum report flags exchange cold wallets among millions of bitcoin exposed by address reuse"
url: https://thecoingazette.com/coinbase-quantum-report-flags-exchange-cold-wallets-among-millions-of-bitcoin-exposed-by-address-reuse/
date: 2026-06-13
modified: 2026-06-14
lang: en
author: "Coin Gazette Editorial"
description: "The report lays out possible solutions to the abandoned coins problem, such as setting a deadline for migration and then freezing vulnerable coins."
categories:
  - "coinbase"
  - "Crypto News"
  - "Exchanges"
tags:
  - "Bitcoin"
  - "coinbase"
  - "Coins"
  - "Companies"
  - "exchange"
  - "Exchanges"
  - "Post-Quantum"
  - "Tech"
  - "The Block"
  - "Wallets"
word_count: 23
---

# Coinbase quantum report flags exchange cold wallets among millions of bitcoin exposed by address reuse

The report lays out possible solutions to the abandoned coins problem, such as setting a deadline for migration and then freezing vulnerable coins.