Sentences with phrase «reject valid transactions»

Like we said in the post about Bitcoin's false finality, if node centralization occurs, those who control the majority can change the 21 million limit, reject valid transactions, change protocol rules, etc..

Not exact matches

A majority of miners can reject certain types of transactions and blocks from the blockchain if they violate the new soft fork rules, even transactions that «old nodes» would still consider valid.

All users keep the list of the used key images (compared with the history of all valid transactions it requires an insignificant amount of storage) and immediately reject any new ring signature with a duplicate key image.