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12 votes
Accepted

Does Monero use replace-by-fee?

There is no such system in Monero. Now, miners will mine transactions that have the highest fee/byte ratio first. But once a miner accepted a transaction in its txpool, it will not accept another one ...
user36303's user avatar
  • 34.8k
9 votes
Accepted

Will 2 minute block times discourage retail merchant adoption?

Actually, instant (well, speed of information) payment channels are possible with monero, even now (no protocol changes to monero necessary). First we will just start with one way payment channels. ...
Christopher King's user avatar
4 votes
Accepted

Does Monero have zero-conf?

You're probably referring to the concept where a vendor will accept payment, even when the payment has not been included in a block. Sure, that works the same way in Monero that it does in Bitcoin. ...
scoobybejesus's user avatar
3 votes
Accepted

Calculating the cost of a double spending attack

It depends heavily on how much work has to be (provably) redone. If you act upon a transaction that has just hit the txpool, there is not work yet to be redone by a miner, so it's cheap. Same as for ...
user36303's user avatar
  • 34.8k
3 votes

Does Monero have zero-conf?

Monero transactions are pretty similar to Bitcoin ones regarding this: you see them on the network, they linger in the txpool till mined, the block they're in can be reorganized, and the more blocks ...
user36303's user avatar
  • 34.8k
2 votes
Accepted

How could you lower the risk of accepting zero confirmation transactions?

Connecting to more nodes increases the speed at which you will see a transaction double spending one you already have in your txpool, and thus mark this transaction as such. However, this is not ...
user36303's user avatar
  • 34.8k
2 votes

Does Monero use replace-by-fee?

I'm fairly certain it does not as RBF is a mechanism to get around the fact that it is crippled at 1MB, and there is a danger the transaction will never get included due to full blocks and being stuck ...
ferretinjapan's user avatar

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