Mina is an ultralightweight blockchain that is only 22 Kb

Arcblock rose 200 in the last two weeks despite not having any notable developments

On November 28 the creator of doublespendcash a web portal that tracks and collects double spend attempts on the Bitcoin Cash network explained that only 1 out of 1105 double spends succeeds when they broadcast one second after the first transaction The websites creator highlighted that in most cases only when submitted simultaneously can a double spend succeed