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18
votes
1answer
24k views

I am missing (not seeing) a transaction to (in) the GUI (zero balance)

I withdrew from Kraken / Poloniex / Bitfinex / Poloniex / any other exchange or service (e.g. Shapeshift) and I am not seeing the transaction in the GUI. How do I resolve this issue?
17
votes
1answer
12k views

I forgot to upgrade (from CLI or GUI v0.13 to CLI or GUI v0.14) and, as a result, accidentally synced to the wrong (alternative) chain

I forgot to upgrade (from CLI or GUI v0.13 to CLI or GUI v0.14) and, as a result, accidentally synced to the wrong (alternative) chain. How do I resolve this issue?
18
votes
2answers
4k views

How do I use cold transaction signing?

Cold transaction signing was recently merged into master. How would one go about using it? For those who don't know, this feature allows you to: Create and export an unsigned transaction on an ...
18
votes
1answer
20k views

How do I, as a recipient, verify that my transaction actually arrived?

I received some XMR from a service / exchange / friend. How do I verify that my transaction actually arrived?
12
votes
4answers
12k views

How do I generate a Ledger Monero wallet with the GUI (monero-wallet-gui)?

According to the release notes GUI v0.12.3.0 includes Ledger support. How do I generate a Ledger Monero wallet with the GUI (monero-wallet-gui)?
31
votes
1answer
14k views

Is there any way to construct a transaction manually?

With Bitcoin you can create an unsigned transaction, sign that transaction and then broadcast it. Is there anyway to do that with Monero? With all the fancy JSON, etc.
4
votes
2answers
4k views

What is the relevance of the restore height?

Still learning this stuff. But when restoring a wallet from seed, it gives an option for restore height (date). Do/should I set this to just before my first transaction? Or more on point if I set ...
21
votes
3answers
24k views

What is an integrated address?

Some exchanges use integrated addresses, but what are they, and what are they useful for? Should they be used over regular addresses?
19
votes
1answer
3k views

ELI5: How does RingCT work?

Can someone explain simply how RingCT can make sure that a user has the specified amounts without seeing it? My mind starts to pause as soon as i see formulas on a whitepaper.
5
votes
2answers
11k views

I forgot to upgrade (from CLI or GUI v0.13 to CLI or GUI v0.14) and created / performed a transaction on the wrong (alternative) chain

I forgot to upgrade (from CLI or GUI v0.13 to CLI or GUI v0.14) and created / performed a transaction on the wrong (alternative) chain. How do I resolve this issue and let the CLI / GUI show my proper ...
21
votes
3answers
2k views

If I saved my view key and spend key can I recover my wallet if my mnemonic seed is lost?

I accidentally deleted by my wallet file and mnemonic seed. Can I recover my wallet with my view key and spend key? If yes, then how do I do so?
16
votes
1answer
24k views

My blockchain is stuck, how do I “unstuck” it?

During the last few weeks a common, reoccurring, question seems to be how to get one's blockchain "unstuck". This guide will, hopefully, provide some assistance in doing so.
10
votes
2answers
19k views

I am using the GUI and my daemon doesn't start anymore

I've been using the GUI for some time and suddenly the daemon doesn't start anymore. How do I resolve this issue?
14
votes
2answers
2k views

What happened at block 202612?

Why was this block hardcoded in the source-code? What happened with the Monero blockchain in the block 202612?
25
votes
1answer
33k views

How can I use Monero without syncing the blockchain?

Suppose I have a computer that doesn't have a lot of storage space, or suppose I don't want to wait a while for the blockchain to be synced with my computer. What can I do to use Monero faster without ...
13
votes
1answer
4k views

How can I create a new Monero genesis block?

Does anyone know how Monero's genesis block was created (and how I can generate a new one)? Background information: I want to fork Monero for use as part of a school assignment (there are other ...
11
votes
2answers
1k views

Constructing a Stealth Monero Address?

Is it possible from Section 4. Address Serialization cns007.txt and Section 3. Variable-Length Encoding of Integers cns003.txt to compute a Monero Stealth Address from the following? 1) Private ...
1
vote
1answer
2k views

How do I restore / recreate my Ledger Monero wallet?

I have lost my Ledger device and/or cannot access the system with my Ledger Monero wallet files. How do I restore / recreate my Ledger Monero wallet?
18
votes
11answers
49k views

Which type of hardware is the most efficient for mining Monero?

I'm not looking for any specific product recommendation, but I'm just curious in terms of type of hardware which has been proven as the most efficient in terms of mining Monero. Is it GPU, CPU, ASIC,...
17
votes
2answers
3k views

How does the dynamic fee calculation work?

A pull request on github for dynamic fee calculation was just submitted. How does this new dynamic fee calculation work?
16
votes
2answers
4k views

What is the format of a block in the Monero Blockchain?

What is in the header? How is the header made? What information about the transactions is present? What is prunable? What part of the block is used for the PoW?
16
votes
3answers
4k views

What is a key image?

When a transaction is made with monero there is a 'key image' in the transaction info. what is this exactly? is it like the diffie-hellman exchange to create the one time addresses?
23
votes
3answers
7k views

What privacy or security trade offs are associated with not running your own full node?

If I choose to use a webwallet such as mymonero.com or connect to a Monero node run by someone else to make transactions, what are the unique privacy and security concerns I will face (compared to if ...
17
votes
2answers
609 views

How does one convert the Trezor seed to a simplewallet seed and vice versa

Now that the source is available I thought I'd bring up the subject of the seed difference between the Trezor and Simplewallet. The Trezor uses 24 words, while Simplewallet uses 24 plus an extra word ...
10
votes
1answer
9k views

How do I move the blockchain (data.mdb) to a different directory during (or after) the initial sync without losing the progress?

I am currently performing the initial sync to the default directory, but my drive is nearly full. How do I move (and subsequently sync) the blockchain to another drive without losing the progress?
12
votes
2answers
3k views

What is the checksum at the end of a mnemonic seed?

What is the meaning of the checksum at the end of a mnemonic seed? Is the checksum always a word found earlier in the mnemonic? what is the purpose of it? Can a valid mnemonic seed be created ...
12
votes
1answer
1k views

Why is the viewkey able to track incoming transactions, but not outgoing transactions?

This question basically boils down to why can't we have a single key that we can publish, such that an auditor could see incoming transactions, outgoing transactions, and thus a balance of a certain ...
9
votes
1answer
683 views

What encryption algorithm is used for the wallet.keys file?

I know that the wallet keys file contains an encrypted version of your private keys, but am just curious what encryption algorithm is used to do this, and also where is it done in the source code?
20
votes
1answer
2k views

Understanding the structure of a Monero transaction

So I am trying to understand how Monero works under the hood, and I was looking at the transaction below. (If you would like to see it in your own daemon, switch to testnet and just type print_tx ...
34
votes
4answers
16k views

What options are available for directly buying Monero with fiat currency?

What are options available to convert fiat currencies into Monero directly, without having to go through a Bitcoin transit hoop first? I am not looking for a recommendation for a particular service, ...
13
votes
1answer
6k views

My GUI feels buggy / freezes all the time

I am using the official GUI and using my own (local) node, but it freezes all the time and feels buggy overall. Is there any way to resolve this?
12
votes
1answer
13k views

How to restore a Monero wallet from Private Keys

How can one import a Monero wallet via Private Keys (from mymonero.com / moneroaddress.org for example) into the GUI wallet? Is there a possible way via Private Spend- and View-Key?
9
votes
1answer
6k views

Transaction stuck as “pending” in the GUI

I sent a transaction a few hours ago but it's still Pending (as indicated by the History page of the GUI). How do I resolve this?
15
votes
1answer
967 views

Can I manually check consistency of Pedersen Commitments in RingCT?

Even though I fully trust the math behind RingCT and I know no moneroj can be created out of thin air, sometimes I'd like to see for myself the consistency of the Pedersen Commitment before/after any ...
15
votes
1answer
633 views

Can you have a multsig wallet with the current Monero protocol?

Can you create a bitcoin-style multisig wallet in Monero in the current protocol? You would have n participants, such that k of them can authorize a transaction.
11
votes
1answer
829 views

Monero inception - how did bitmonero become monero?

I understand that bitmonero was one of the first CryptoNote coins, and at its inception had a different developer team, mainly thankful_for_today. Then, "the community took over" because of some ...
13
votes
1answer
370 views

How can a business or charity publish proof of XMR reserves?

Is Monero too private to allow auditing? Without a rich list or transparent blockchain how can a business or charity publish proof of XMR reserves?
11
votes
1answer
256 views

August 2014 spam attack

Please explain how the sophisticated August 2014 Monero network spam attack was designed and conducted. How did the Monero core team respond to the attack and prevent any lasting damage?
11
votes
1answer
4k views

How to change the monero-wallet-gui rendering mode for older computers

On old machines (with integrated graphics), displaying the GUI might not work. it will either crash on startup or display a white/black window. How can the user change the rendering mode and what is ...
11
votes
2answers
499 views

How will the ring CT fork be rolled out?

I understand that the latest monero software already has all the RCT code. Does it mean that no upgrade will be required prior to RCT HF? If so, is the block height at which RCT will be allowed ...
8
votes
2answers
14k views

How do I connect monero-wallet-cli to a remote node?

In the post What privacy or security trade offs are associated with not running your own full node? the privacy ramifications of connecting monero-wallet-cli to a remote node are discussed. However, I ...
6
votes
1answer
9k views

How do I upgrade my software to the newest version?

I've been running one of the following: CLI / GUI v0.12.X.X CLI / GUI v0.13.X.X How do I update these to the newest version?
28
votes
2answers
7k views

How to Use Monero Multisignature Wallets (2/2 & 2/3)

Disclaimer: this is written for the pre-release version and for testing purposes only (at the present moment). Use at your own responsibility and don't play with big amounts. To test yourself, you ...
25
votes
2answers
3k views

How to prove my Monero balance to the world?

Viewkey allow to disclose incoming txs. I need to solve a task of making transparent and provable address for our Monero funds. We are investment fund and this feature is mandatory for us.
47
votes
1answer
2k views

Why was I2P chosen over Tor for native Monero integration?

Tor is currently much more popular than I2P. Why was I2P chosen (Kovri project) over Tor for native Monero integration?
17
votes
1answer
15k views

Which entities are related to Bytecoin and Minergate?

After reading the answer to this question I would like to learn which entities are connected to Bytecoin and or Minergate. Although Bytecoin development has ground to a halt according to GitHub ...
16
votes
2answers
6k views

What is a stealth address?

Canonical question on stealth addresses: They are mentioned in the context of privacy of Bitcoin transactions but are also implemented in Cryptonote based currencies. What are they and how would they ...
14
votes
2answers
2k views

Block reward penalties and dynamic block size

Block reward penalties begin if a block gets beyond 60kb in size. What is the reason why this limit is not dynamically re-calculated to follow a ratio of the blocksize limit instead of a constant?
16
votes
2answers
51k views

What is a payment ID, and why is it used?

Several exchanges require a payment ID for deposits and withdraws. What is a payment ID in Monero, and why is it used?
15
votes
2answers
3k views

What is Monero's mechanism for defending against a double-spend attack?

The title says it all, but I want to frame the issue two ways, in hopes of a slightly more in-depth answer. With Bitcoin, the blockchain is transparent. In the "ordinary course of business" in the ...

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