👨🏾💻 Dev corner: how stolen crypto actually gets frozen
This week the US Justice Department got court approval to seize or restrain more than 1.2B USD stolen in the Binance hack. Over 2.7B USD in total has been frozen through authorities and private companies (The Block, Nov 14). How is that possible on "unstoppable" blockchains?
🔹 Public ledgers: every transfer is visible forever. Investigators label the hacker's addresses and follow each hop
🔹 Stablecoin freezes: tokens like USDT and USDC are smart contracts with a blacklist function. The issuer can freeze the balance of a flagged address, and those tokens can no longer move
🔹 Exchange freezes: when stolen coins hit a centralized exchange, compliance teams can lock the deposit before it's withdrawn
🔹 Court orders: authorities then get a legal order to seize what's been frozen
What's harder to stop:
🔹 Native coins like BTC and ETH have no freeze button
🔹 Mixers, cross-chain bridges and many small hops make tracing slower
Builder takeaway: "can this token be frozen?" is a real design choice. It helps victims, but it's also central control.
Would you rather hold a freezable token or one nobody can freeze? 👇
📷 Photo: FlyD / Unsplash
This week the US Justice Department got court approval to seize or restrain more than 1.2B USD stolen in the Binance hack. Over 2.7B USD in total has been frozen through authorities and private companies (The Block, Nov 14). How is that possible on "unstoppable" blockchains?
🔹 Public ledgers: every transfer is visible forever. Investigators label the hacker's addresses and follow each hop
🔹 Stablecoin freezes: tokens like USDT and USDC are smart contracts with a blacklist function. The issuer can freeze the balance of a flagged address, and those tokens can no longer move
🔹 Exchange freezes: when stolen coins hit a centralized exchange, compliance teams can lock the deposit before it's withdrawn
🔹 Court orders: authorities then get a legal order to seize what's been frozen
What's harder to stop:
🔹 Native coins like BTC and ETH have no freeze button
🔹 Mixers, cross-chain bridges and many small hops make tracing slower
Builder takeaway: "can this token be frozen?" is a real design choice. It helps victims, but it's also central control.
Would you rather hold a freezable token or one nobody can freeze? 👇
📷 Photo: FlyD / Unsplash
