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replied 2313d
If you wait for confirmation you are fine. But for 0-conf here's an explanation of how a double spend can be done: https://jasonc.me/blog/bitcoin-bip-133-double-spends-bch
replied 2313d
Thanks btw for the answer ;)
replied 2313d
I'm reading the jasonc. The double spend depends on some miners filtering out low fee transactions. Off hand I don't see a need to filter out low fee transactions.
replied 2313d
One reason is by setting a minimum they encourage higher fees and make more. Another is that some fear low-fee transactions can be used for spam. Majority have 1 sat/b minimum.
replied 2313d
Cool. Hopefully, if needed, miners will wise up and prevent such exploits.
En Fri Mand
replied 2313d
Agree. With low fee txs relayed, you can potentially crash the network for low cost.