18 votes
Accepted

Can simplewallet auto refresh?

Recent simplewallet has an automatic refresh, every 90 seconds. If can be enabled and disabled by set auto-refresh 1 and set auto-refresh 0. To view current settings: set. When this was implemented, ...
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  • 34.6k
17 votes
Accepted

Ability to choose your own transaction fee

You can select a higher fee if you want. This choice is intentionally limited to a 1x, 2x, and 3x multiplier to avoid leaking too much information via the fee (ie, if you're the only one using a 2.7x ...
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  • 34.6k
15 votes
Accepted

How could Monero enable instant transactions?

Daughter chains are one of the development goals for Monero. One of these daughter chains could theoretically be used to allow for instant/micro/etc transactions. The idea would be to allow super-fast ...
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  • 2,471
11 votes
Accepted

Why does Monero prevent transactions from being spent without 10 confirmations?

Cryptonote is more sensitive to reorganizations than Bitcoin. In Bitcoin, if N blocks are reverted, all the transactions they contain are now ready to be mined again (or might already be included in ...
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  • 34.6k
11 votes
Accepted

Required confirmations before newly received Monero can be spent

Received monero can be respent after 10 blocks (see CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE). At two minutes a block targetted, that means approximately 20 minutes.
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  • 34.6k
11 votes
Accepted

Transaction stuck as "pending" in monero-wallet-cli

You can first use the show_transfers command in monero-wallet-cli to see if your transaction shows there. It should show as "pending". Subsequently, you can use the flush_txpool command in monerod (...
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  • 14.8k
11 votes
Accepted

Not enough spendable outputs error on MyMonero

When you send a Monero transaction the sum of the outputs used in the ring transaction will exceed the amount of your payment. Once the transaction is confirmed the change is returned to your wallet. ...
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  • 4,546
11 votes

How could Monero enable instant transactions?

Pretty much any layer 2 system, such as Lightning Network. Doing this on main chain is mostly a bad idea, as mainchain needs to be as secure as possible. Instant transactions have less security (or ...
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  • 5,079
10 votes

What is the purpose of locked balance?

I think the main purpose is to just prevent you from trying to spend a tx output that gets re-orged out of existence. At any point a block, or the last several blocks, or a lot of blocks can get ...
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  • 4,373
9 votes
Accepted

Can miners choose to accept lower fees?

The block will not be rejected if it's included in a block mined by another miner who accepted it. See src/cryptonote_core/tx_pool.cpp, line 137 (or just after FEE_PER_KB). This implies a miner is ...
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  • 34.6k
9 votes

Can simplewallet auto refresh?

Simplewallet communicates with the daemon (bitmonerod) but only when you issue a command. For that reason simplewallet will not refresh until you enter the refresh command even if the daemon is online ...
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  • 323
8 votes
Accepted

What is the block maturity value seen in many pool interfaces?

It seems like a certain number of steps or confirmations needed when a block is found by a pool (I guess it's the same when mining solo), but I can't be sure. This is exactly right. When a block is ...
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8 votes

Ability to choose your own transaction fee

Fees are rounded to 0.01 XMR per KB. Because of the way outputs are selected, calculating the size of a transaction in advance (and choosing your own fee) would be very difficult and time consuming. ...
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  • 885
6 votes

Does a Monero wallet require payment id by default?

A payment id is optional, however in some cases it is very important otherwise the receiver may not realise you've sent money to them. Cases such as sending Monero to an exchange, or situations where ...
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6 votes
Accepted

Can Monero in its current state handle the amount of daily transactions bitcoin does, and if so how long would a confirmation take?

The reason bitcoin network is struggling is that there are too many transactions trying to get in a block, but the maximum allowed block size is hardcoded into the protocol rules. Nothing that can't ...
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  • 19.8k
6 votes
Accepted

Can I cancel a transaction?

No, not really. If you didn't include a big enough fee or something it will fall out of the mempool after a day or so, but there's no way to ask all the nodes that have your TX in their mempool to ...
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  • 4,373
5 votes

What is the purpose of locked balance?

As jwinterm said, this is to avoid outputs being reused shortly after being created, in case of reorganizations. It is important to realize that the effects of an output being invalidated are more ...
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  • 34.6k
5 votes
Accepted

Hard Fork Replay Attacks?

The most obvious way is doing something like gratuitously increasing the Tx version or changing Tx structure. However, wallets have to be aware of this too, so it's a little more complicated (plus you ...
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  • 2,422
5 votes

Why does Monero prevent transactions from being spent without 10 confirmations?

To the best of my extremely limited knowledge, I don't know if a limitation in the cryptonote protocol that would keep you from attempting to spend unconfirmed transaction outputs. I'd conclude from ...
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  • 2,471
4 votes

Required confirmations before newly received Monero can be spent

It will depend on the exchange since each exchange can set their own rules regarding withdrawals. However, assuming transaction is sent immediately when you place it on the exchange: The transaction ...
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  • 2,471
4 votes

Does a Monero wallet require payment id by default?

Due to monero privacy features, the recipient can't tell from where the funds came. Sometimes, you want to be able to tell a receiving transaction apart from another and that's where payment ID comes ...
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  • 19.8k
4 votes
Accepted

Will Monero have unconfirmed transactions problems like bitcoin?

Bitcoin has a backlog because there's only so many transactions that can fit into their 1mb blocks. Monero has an adaptive blocksize limit so in general it doesn't suffer from this problem. There ...
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  • 1,386
4 votes
Accepted

How many confirmations to be sure a transaction does not end up in an orphaned block?

Leaving aside the fact that "sure" is a subjective concept... The network uses 10 blocks and 60 blocks to unlock monero coming from a user transaction, and a coinbase transaction, respectively. These ...
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  • 34.6k
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. ...
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4 votes
Accepted

Is there a Monero project or improvement proposal to make Monero have instant transactions?

In Monero, like other cryptocurrencies, the transactions themselves are fairly instant - they get instantly broadcast to the network and get placed in the tx pool. Wallets also see these transactions ...
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  • 17.3k
3 votes
Accepted

How to check the number of confirmations for a transaction?

As far as I know there is currently no "amount of confirmations" displayed by any of the block explorers. However, an easy way around this is to subtract the block your transaction was included in ...
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  • 14.8k
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 ...
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  • 34.6k
3 votes
Accepted

Transaction: 6 hours and 0 confirmations

It's rush hour at the moment. Eventually blocksize will grow big enough to confirm all the transactions - including yours. See how it develops here: http://moneroblocks.info/stats/block-medians In ...
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  • 19.8k
3 votes
Accepted

Lower the Locked Balance Limit

Yes, change this line and recompile. It's a wallet thing, not consensus. There are caveats: You'll probably be the only one with changed config so someone could use it to fingerprint your TXes If a ...
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  • 19.8k

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