same nonce same from same to same amount get the raw tx is same, the tx hash is same too, Are there safety risks and are there any improvement plans?

[malingzhao]

https://polkadot.subscan.io/account/15vAJ3YhGph1W8JzmsLujJp3vYyXNfYdq75ynvu3ss8ocw1m

If I were a hacker, I would first withdraw an amount to my address. If I get the rawTx, I would keep watching, and then wait for the nonce to become 0 again. When I see that the account has enough money, I Just use the transfer_allow_death method to withdraw money, and there will be this problem.

[bkchr]

This is like a known shortcoming. A potential solution is this: #326