Sentences with phrase «fake transactions»

If someone tries to fake a transaction by changing a block that had already been stored in the blockchain, that block's hash would change.
«If I can persistently be in their network I can issue fake transactions
Well, if anybody tried to fake the transaction using an altered block that currently exists in the book chain, that block's hash would also alter.
Thanks to complex cryptography at every step in the process, which can take quite a lot of time to verify (see below), it's more or less impossible to fake a transaction from one person or organization to another.
To be precise, Wuille's proposal would allow for blocks up to some 2 megabytes of real transactions — or 4 megabytes if a miner fakes transactions designed to max out the potential.
The latter refers to a situation where a blockchain is characterized by many fake transactions, test transactions and bad transactions that fill up the blocks at a rapid pace, thus slowing down the network.
To stop fake transactions entering the blockchain each participant must use Public Key Cryptography.
More than one fake transaction can be made based on the original transaction.
In order to clear out these payments (kind of like reconcile) enter a deposit on any arbitrary date to any bank account (it's a fake transaction anyway).
For example, a compromised Electrum server could lead the Electrum wallet to accept a fake transaction for USD $ 1000 worth of bitcoin that would not have been validated by a full node.
Security blogger Brian Krebs reported that Michell Abner Espinoza of Miami Beach was arrested after a sting in which an undercover agent engaged him in a fake transaction to convert $ 30,000 worth of cash into bitcoins.
Certain business organizations earn income through illegal sources, but display them as legal income by faking transactions.
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