Double spend is when a set of coins is spent in more than one transaction. This can happen for various reasons, but one of the reasons is fraud attempts.
If you are accepting 0-conf payments, it's in your interest to detect double spend attempts. If you want merchants to accept your 0-conf payments, it's in your interest to help detect double spend attempts.
Bitcoin XT detects double spends relayed to it. It allows you to react to double spends. It's also the only Bitcoin Cash node that forwards double spends to allow other nodes to detect them.
Help gathering double spends here and detecting them network wide by running Bitcoin XT and connecting to at least one other Bitcoin XT node, such as respends.thinlink.com:8333
Below are double spends detected with Bitcoin XT. Tags are applied to some as analysis for cause or motivation of the double spend.
Last updated 2018-08-17 14:03:43.252252