@SBF_FTX Conditional burn is better imo. Recipient should have the right to force you to burn $X (or donate it to charity), but if the recipient is happy with your message it should cost nothing.
https://ethresear.ch/t/conditi...
@SBF_FTX 有条件的刻录更好。收件人应该有权强迫你烧掉 X 美元（或将其捐赠给慈善机构），但如果收件人对你的信息感到满意，它应该不花钱。
https://ethresear.ch/t/conditi...