Carding
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Attackers send fake transactions to crypto exchanges, which platforms mistakenly identify as legitimate deposits and credit funds to the account. This type of attack was uncovered by SlowMist experts.
“It should be noted that fake deposit attacks are not blockchain vulnerabilities. Instead, attackers use certain characteristics of networks to create special transactions, ”the experts noted.
According to them, the task of hackers is to exploit bugs and system errors in exchange mechanisms for processing deposit transactions.
Since 2018, SlowMist experts have discovered several types of such attacks. Among them:
* the transaction appears in the mempool, but is never included in the block due to its replacement by the attacker;
* the operation gets into the block, but is not executed due to the specified obviously incorrect logic parameter;
* the transfer is counted several times (double spending);
* network fork, when the block and transactions in it are invalidated;
translation feedback.
(c)
“It should be noted that fake deposit attacks are not blockchain vulnerabilities. Instead, attackers use certain characteristics of networks to create special transactions, ”the experts noted.
According to them, the task of hackers is to exploit bugs and system errors in exchange mechanisms for processing deposit transactions.
Since 2018, SlowMist experts have discovered several types of such attacks. Among them:
* the transaction appears in the mempool, but is never included in the block due to its replacement by the attacker;
* the operation gets into the block, but is not executed due to the specified obviously incorrect logic parameter;
* the transfer is counted several times (double spending);
* network fork, when the block and transactions in it are invalidated;
translation feedback.
(c)
