Bitcoin user pays $105K fee on $10 transaction by mistake

On Monday, a Bitcoin trader made a purchase worth millions of dollars, buying $10 worth of the digital currency from his online broker and sending it to the popular cryptocurrency exchange Kraken.

It should have been a routine deal, but it quickly escalated into a substantial loss. The user did not pay a realistic fee, but rather incorrectly set 0.99 BTC as the fee amount (approximately $105,000 at today’s market prices).

To put this into perspective, the BTC network will not confirm even high-priority transactions if the fee is less than one coin. This amounts to an overpayment of more than 100,000 times. The vast difference is a stark reminder of just how costly it can be to make the simplest mistake when moving cryptocurrency.

According to experts, errors like this occur when people attempt to set wallet settings themselves instead of using automatic fee estimators. If the “change” or recipient fields are filled out incorrectly, the extra can go to the miner.

In this case, it was indeed a large mining pool that mined the block containing the transaction and pocketed the entire fee. Occasionally, miners return the unintended payment, but this usually requires the recipient of the money to prove ownership of the private key for the address again, which is generally a tedious process.

Accidental transaction sends massive fee to miner

As painful as it is to lose $105,000 on a $10 transfer, that’s not even close to the biggest screw-ups in the annals of Bitcoin fees. Others have also cropped up, for instance, a user accidentally sent a $24 million transaction fee on the Ethereum network last year, before the miner returned most of it.

Bitcoin has seen its share of costly fee mistakes over the years. For example, in a 2023 incident, a user accidentally paid 83.64 BTC as a transaction fee—equivalent to roughly $8.7 million at today’s rate.

It demonstrates that in cryptocurrency, everyone can use an extra ounce of caution. Costly errors are somewhat more difficult to commit if you’re pulling from a wallet that does your fee math for you. It is an advanced feature and can result in loss of funds if used incorrectly.

The network will treat a transaction as “confirmed” after it has been mined. Miners’ fees are generally non-refundable unless refunded by a miners’ vote. It is merely a reminder that typos and misconfigurations of even a single letter can result in financial losses of thousands.

Traders watch Bitcoin’s critical technical zones

Meanwhile, market watchers are keeping a close eye on Bitcoin’s price action.

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