Sentences with phrase «transactions from the attacker»

Not exact matches

The latter company uses the Stellar Consensus Protocol to facilitate a federated system of sub-second p2p transactions across mobile networks over a synchronized distributed ledger, sealed from access by both node operators and potential attackers.

Unfortunately, this approach proved insufficient, and the ethereum community implemented a hard fork on July 20th, returning the stolen ether from an account owned by an unknown attacker to a new address by essentially rolling back the network's transaction history.

Because the value of a bitcoin was so low at the time, trading for pennies each, the limit was intended to prevent would - be attackers from overloading the network with a flood of cheap transactions.

An attacker can take the public transaction sending 1Xcoin from Alice to Bob from chain X and replay it on chain Y.

With Mastercoin, however, most of the Bitcoin network does not «speak» Mastercoin; the result is that an attacker can send a transaction sending MSC from themselves, and then send another transaction sending MSC from themselves using a different transaction outputs.

Suggesting options that would prevent the attacker from making any further transactions founder, Vitalik Buterin exclaimed:

Replay protection keeps attackers from broadcasting the same transaction on two networks, thereby moving a user's legacy coins and forked coins.

After the vote, the consensus turned out to be that most people wanted to erase the transaction history to get the funds back to investors — and away from the attacker.

Every transaction that is made first needs to be approved via its display, and confirmation button, preventing virtual attackers from stealing your bitcoins.

A so - called «51 % attack» could, in theory, allow the attacker to reverse transactions, make double - spend transactions, prevent confirmations or even prevent other miners from mining valid blocks.

Attackers who hold more than 50 % of hashing power could stop transactions from confirming and even reverse some transactions.