6 ms·
0-conf transactions have timestamps and the receiving wallet/node checks for the tree of transactions to even allow the spending of unconfirmed transactions up
by nighthawk24 7y ago
0-conf transactions have timestamps and the receiving wallet/node checks for the tree of transactions to even allow the spending of unconfirmed transactions up to a limit of 25 for now, there is on-going research and testing to up this limit to 500 that was sponsored by SatoshiDice https://twitter.com/PeterRizun/status/1181980303033692162 https://twitter.com/PeterRizun/status/1181980303033692162
For a list of transactions trying to double spend BCH and failing at it, see this https://doublespend.cash/ https://doublespend.cash/