UniSat Wallet tweeted: “Due to a vulnerability in our code base, the UniSat Marketplace that just launched has suffered a lot of double-spend attacks. In the test last week, we simulated different double-spend attack methods and improved the code. and enhancements. Unfortunately, certain issues were still exposed in the initial public release. Currently, we have preliminary findings, and out of a total of 383 transactions, 70 transactions have been identified as affected. We will report on In the next few days, we will further investigate and compensate the losses of users related to this incident.” It is reported that UniSat Marketplace is an inscription market based on PSBT and supporting BRC-20 assets on the Bitcoin chain.