Questions tagged [blockchain]
A distributed ledger of all transactions both past and present, without revealing who the funds came from or went to.
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Monero setting up a testnet wallet in terminal, can't sync
I am currently running Ubuntu 16.04 server with monero-v0.11.1.0. I successfully downloaded the live chain without problem. When I tried to download the testnet chain I get over and over:
2018-01-...
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Was the reasoning behind the large tx extra in minergate's transactions ever revealed?
It's absolutely enormous. Was it revealed why it's used?
This is a Minergate block:
http://explore.moneroworld.com/tx/bba343e5e172f07f623fb34c0cbd26519567cc374c5d61d468d370714f3d5b66
This is a ...
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Can I copy the .bitmonero folder?
I'm wondering: can I save a copy of the hidden .bitmonero folder that contains the blockchain and keep it on my computer, and if my blockchain gets corrupt can I just erase the corrupt one and copy ...
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XMR not showing and more issues [duplicate]
Last week I tried to start the GUI. It wouldn't start did some research here and found out my blockchain was corrupt. BTW this is almost 2 weeks ago. I erased my blockchain and started resyncing. ...
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Radeon Blockchain Drivers not Installing on Vega 64
I was trying to install the AMD Radeon Beta Blockchain Drivers onto my RX Vega 64 Liquid GPUS. The screen flickered, as it always does during a display driver install, but after my screen went black ...
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What happened at Monero difficulty from Nov 2017 to Jan 2018?
During latest days of November 2017 Monero difficulty, according to this chart, was around 30G and now is around 80G.
What happened to it?
And what should we expect for the near future?
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If I re-sync the blockchain will I lose my coins and wallet address?
I had a hard reset and now I'm getting the following error "Daemon fails to start." Both with the GUI and command line. The GUI still displays my coins and wallet name. Looks like I need to re sync ...
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Failed to update txpool transaction metadata on local Monero daemon
I have a Monero daemon running on a Raspberry Pi connected to my LAN. After a full blockchain sync, I got this error:
2018-01-16 12:00:50.993 [P2P0] ERROR txpool src/cryptonote_core/tx_pool.cpp:...
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Monero wallet doesn't connect to local daemon
I have a Monero daemon running on a Raspberry Pi connected to my LAN and it worked fine for sometimes, but lately, I'm unable to connect wallet from another PC to it.
When the issue has happened for ...
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Can there be something other than block verification that slows down synchronization in the end?
In this question When syncing Monero's blockchain from scratch, why does it begin fast and end slow? the answers refer to validation and verification.
I've looked into Task Manager and for all ...
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Does the Monero wallet distribute the blockchain?
Does it send many blocks to other peers? If so how can I turn this off?
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Where can the wallet address prefix be set
In Electroneum (A monero fork), there is a prefix set such that every wallet address begins with ‘etn’ . Where can this be set in the monero code and what is the purpose of it?
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Changing to new computer - can I avoid having to download the blockchain again? [duplicate]
The GUI wallet on my current computer is fully synchronized. I've just bought a new computer and will download the GUI wallet onto it. Can I copy the blockchain from my current computer to the new one,...
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I just bought monero payment ID help [duplicate]
I just bought Monero on Binance exchange and a warning came up saying I need both a payment address and payment ID, or my money spent will be lost. This didn't happen with other transactions.
...
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Best method to query address balance of 10,000+ monero private keys and store it in a mysql database?
I'm looking to write up a PHP script that can query 10,000 monero private keys to get its balance. Once the balance is updated, it will be stored in a mysql database. I know scanning the monero ...
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Can Monero miners be picky about adding transactions to blocks
With Bitcoin, miners are picky about which transactions to add to blocks due to the limited block size, opting for transactions with higher fees (larger transactions). This means micro/nano payments ...
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Bootstrapping Monero blockchain via clearnet? [duplicate]
I have reasonably recent MacBookPro but the fans and CPU (Activity Monitor) are working hard.
I still have some blocks to sync:
Tried obtaining more info about the blockchain size:
How much time to ...
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Monero withdrawal from Bitfinex to Binance sent 12+ hours ago
I sent XMR from Bitfinex to Binance +12 hours ago. Till now there is no deposit on Binance. I have checked the TXID: 839b6483537cafb3fa7663cc89d45162c06669a670a5c864fb477073d95b6359
I can not find ...
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Fundamental question for monero: how to mine myself
Let's assume 2 people (Person A and Person B) are mining.
Person A finds a block 2 seconds before person B. Each of them is mining at home on their own.
What should person A do to claim his block or, ...
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Priority among transactions with same fees
If there are too many transactions in the mempool to be included in a single block, and assuming they all have the same transaction fee per kB, will the older transactions be mined first?
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What is the impact on performance of the Monero network by using Kovri
I understand that following implementation of Kovri there is a an affect on overall performance. Is anyone able to elaborate on this?
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Potential mistake in trying to secretly transfer from one bitcoin wallet to another via monero - Theoretical
Highly theoretical question:
If I exchanged a long mixed number (ie 5.37894316842) from a bitcoin wallet A to my monero wallet, and then a few minutes later exchanged that same bitcoin amount from ...
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Setup Monero mining pool using mpos
I have a problem setting up monero mining pool, I know about those nodejs pools, but I want to use MPOS as a front-end. The only problem is I don't know what to use as a stratum.
I haven't even ...
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Why is the number of total block confirmations different in different pools?
I visited https://monerohash.com/#pool_blocks. It confirms every block 50 times
while http://minexmr.com/#pool_blocks uses 20 confirmation only. Can anyone explain to me why this is happening?
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block 202612 , how been findet this value?
how been findet this value
bool get_block_longhash(const block& b, crypto::hash& res, uint64_t height)
{
// block 202612 bug workaround
const std::string longhash_202612 = "...
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EXCEPTION FOR BLOCK 202612 , from what's it bassed and where it was fixed? [duplicate]
who can asnwer me this for litle qustion , i find this at code
// EXCEPTION FOR BLOCK 202612
const std::string correct_blob_hash_202612 = "...
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"Error: One of the destinations is zero" on Monero CLI wallet when trying to send a transaction with >6000 ring signatures?
I wanna do 7500 ring CTs on my transaction but I keep getting that error. Anyone know a work-around?
Also when I lower it to 5000 ring CTs I get "Error: failed to find a suitable way to split ...
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How to change the total coin supply in monero?
How to decrease coin supply in monero ? I know it uses:
#define MONEY_SUPPLY ((uint64_t)(-1)) // =18446744073709551616
but how make it 9223372036854775808 or lower ?
at int's it posible change ...
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AEON Blockchain sync problem
Well it's no monero question but I think it might still belong into this section.
I try to sync with the blockchain for the first time using the aeond.exe from release AEON-0.9.13.0-WIN64. It starts ...
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Monero - Checkpoint Validation Failed
Could you help me with this error? I do not know what I'm doing wrong. I started to mine a fork of monero from block genesis, but I did the error that is seen in the image and I do not know where to ...
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Monero Fork (Genesis Block)
I'm performing a Monero (XMR) fork, but I'm not sure how to generate a genesis block. Could you help me? Investigate a little and talk about a print parameter in the deamon, but that parameter no ...
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Making an address transparent to public view
What methods are there to make a monero address transparent to be viewable publicly on the blockchain? Say your a non-profit and you want your address viewable publicly, how can this be done?
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Which multi currency/token wallet exist for ETH, BTC and XMR?
I saw that Jaxx doesn't support Monero. Is there another multi token wallet, which supports all three mentioned currencies?
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How To Restart New Blockchain Sync?
For some reason today, the Monero wallet stopped connecting to the daemon. The best reason for the error I could find is this: Attempt to get block from height 1396361 failed -- block not in db
So I ...
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XMR Blockchain NOT syncing beyond a particular Block 1400001
On my windows 10 it took many days and bandwidth (150 GB) to download XMR blockchain which stands at 29 GB.
When I login to lite portal mymonero.com and I can see my balance as 0.835. But in Monero ...
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How to backup the blockchain file?
How can I periodically backup the blockchain file, without copying the entire file (just the new data that was added since the last backup)?
I tried copying only the amount of bytes by which the ...
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Safely stopping Monero daemon sync (monerod)
I finally got the blockchain syncinc good... I am just wondering if there is a special way to stop the blockchain sync so you can do it again later from where you stopped it?
last time I did this, it ...
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Its 2017-09 the monero blockchain is 21 GB, what proposed ways are there to reduce this size?
The monero blockchain is 21GB as of 2017-09 on version .11
What ways are there to reduce this block size down the line? Wasn't RingCT suppose to make things smaller moving forward?
Is it possible ...
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Does running a full node becomes harder as the blockchain grows?
I'm wondering if a larger blockchain means that running a full node is computationally harder, i.e. requires more resources?
(maybe more verifications should be done?)
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Can a copy of the blockchain hold private information?
I want to run a daemon on another machine, and I was thinking of copying the blockchain I already have (copying the entire .bitmonero folder). I'm curious whether any private information may be leaked ...
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Can't find $HOME/.bitmonero in MacOS
I tried searching "$HOME/.bitmonero" and just ".bitmonero" in my finder window and then pressing command+shift+. but I can't find anything...?
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How/when does the --db-salvage flag get used? What's it do?
This flag gets used when you suspect your copy of the blockchain may be corrupt, correct? What are the details?
It's a daemon flag? Is it supposed to be used just until the blockchain is synced, ...
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Moving the monero blockchain data to another directory on windows 10 [duplicate]
Just installed monero and syncing with default settings. How would I move the monero blockchain data to another directory like an SD card. And how do I tell monero the new location of these files?
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With the Monero Wallet GUI is it suppose to start synchronizing every time you open it even after it completed synchronizing the 1st time i opened it?
Even though my question(according to stackexchange) appears subjective and is likely to be closed, Im still asking it because its driving me crazy and i just want someone to help me PLEASE.
When I ...
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Download Monero Blockchain data and the official client
Is there a site where I can just download the entire monero blockchain instead of waiting for it to sync? And where do I get the official client?
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How is the block hash encoded?
How to compute block difficulty from a hash of that block?
In Bitcoin, I can see that block hash starts with a lot of zeros, but in Monero I don't understand how uniqueness of new block in represented ...
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Using same blockchain with more OSs [duplicate]
Is it possible to use same synced blockchain with more wallets, deamons from different operating systems, eg. Windows and Linux?
Of course, not in the same time.
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How do I move the Monero blockchain files safely?
I am using the latest version of the monero GUI on Windows.
The problem is that I do not have enough space on my main drive to download the full blockchain for synchronisation of my wallet.
I want to ...
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How do I constrain memory usage during initial blockchain sync
I'm trying to get monerod up and running on a VPS with 1gb of RAM. My understanding is that once the chain is synced, monerod's memory usage should be quite reasonable. However, during the initial ...
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