can a BTC exchange be terminated before it has been affirmed, or is it that once communicated it is beyond the realm of imagination to expect to drop whenever
Well I have a small trick on how to alter a sent transaction
Most preferably on etherum network;
Once you send out the token and you want to avert it, you immediately send out the token to another wallet address with a higher gwei.
NB: this works perfectly if you did the first transaction with a low gwei