Linked Questions

When I create a signed transaction on my offline computer and then broadcast it on my online computer. What hinders a node to broadcast it again after my transaction is included in a block?

I can't understand how account nonce actually avoids double spending. Every answer about this on the internet follow the pattern "If you only have 50 Eth and try to send 50 to A and 50 to B with ...

If BOB have 1 Ether and Send it to alice, and at the same time send 1 lip to Eve , because the first transaction not mined yet How i can make sure that BOB can't send double transaction after ...

In Bitcoin, the BTC accounting system is based on UTXOs (Unspent Transaction Outputs), which prevents the same BTC from being spent multiple times. I heard that Ethereum has a simpler account balance ...

The account nonce is the only element in the transaction structure that prevents replay attack (as explained in this very good answer). It essentially forces sequentialisation of an account's ...

I'm looking for a detailed explanation (video would be the best) how and when transaction is being mined on Ethereum network (in theory), since the moment it's created with web3.eth.sendTransaction(). ...

I have a small private network that has a proof-of-authority engine created via geth-clique using Geth Version: 1.8.3-unstable, currently there are three signer nodes and two other non-signer nodes (...

How do you specify a nonce when sending erc20 tokens using web3j?

We all know that the nonce of smart contract can be added 1 time when one subcontract is created using solidity. I'd like to know if the creation of subcontract is the only way to increase nonce. If ...

Why store account nonce on chain instead of using timestamp to prevent replay attacks, or any other random bit of information that will change thr hash and differentiate the transaction? As far as I ...

I am on the kovan network and use web3 to execute transactions and query the blockchain. If I send many requests in short time intervals (1-15 seconds) one after the other, I get several errors >70% ...