bitfinex XRP Partial Payments Exploit

[Husires]

I think you have heard about the recent Bitfinex hack attempt, in which hackers tried to steal $15B XRP transfer from Bitfinex by exploiting the Partial Payments Exploit feature, but I did not understand how such a hack could be done.

It appears that Partial Payments Exploit, and https://xrpl.org/partial-payments.html, the flag is enabled, and once it is enabled, the partial payment transaction will be successful if it delivers any amount equal to or greater than the DeliveryMin field without exceeding the SendMax amount, or in other words :

Code: [Select]

Amount ≥ (Delivered Amount) = SendMax - (Fees) ≥ DeliverMin > 0

According to the explanation, the hackers have risen
In reality, the exploiter sends over a much smaller amount specified in another transaction field and aims to receive credit for the difference.

https://cointelegraph.com/news/unknown-wallet-xrp-transfer-bitfinex-partial-payments-exploit


Can someone explain to me how it happened? I tried to understand it but I could not.