Questions tagged [synchronization]

The process of bringing a Monero client up to date with the blocks it is missing from the block chain.

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How to use the CLI without syncing the full node data?

This is a followup question of this one. I would like to perform basic CLI operations without having to download +100GB of data. How are you checking on a transfer, balances "safely" without ...
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Facing an error when working with monero.fail (monero node tracker)

https://monero.fail/ This is the monero node tracker. https://github.com/lalanza808/monero.fail After following the steps to make the project work, I am facing an attribute error where the function ...
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How does monerod decide from which height it should start syncing? Where can I find this in monero code? Where is the previous synced height stored?

How does monero know the height to which it was previously synced? Where does it store this data so that it can continue syncing from there the next time?
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Blockchain is (fully?) synchronized, but lmdb size is 1 Gb

I'm just starting with Monero. I'm using pre-installed Monero (XMR) Wallet on Whonix. My settings are: Advanced mode Portable mode enabled Local node, with location of blockchain set to a separate ...
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Error: Couldn't connect to daemon: Don't know what an error looks like on the log [duplicate]

Freshly restored GUI failed to connect to daemon. [10/31/22 7:36 PM] 2022-11-01 01:36:48.525 I Monero 'Fluorine Fermi' (v0.18.1.2-release) Monero 'Fluorine Fermi' (v0.18.1.2-release) Commands: ...
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Cake wallet sync

I'm using cake wallet mobile, I exchanged btc to xmr using the app and after the transaction cleared on the block chain, it still isn't showing in my wallet. Also, I've tried several nodes, all red. ...
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For an initial sync that seems to slow, where should we look to speed it up?

It seems to me that my sync is slow because I'm using a HD for the blockchain. However, there are peculiar things that seem like they shouldn't be slow so I'm wondering if there are other factors ...
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monerod fails to launch after a computer crash --MDB_BAD_TXN: Transaction must abort, has a child, or is invalid -- Failed to initialize core [duplicate]

I was synchronizing the blockchain when my laptop shut off due to problems with the power supply. After turning it on again monerod fails to launch properly. Attaching the logs from bitmonero.log 2022-...
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Updated monero-wallet-gui (mac os) and now it won't sync [duplicate]

2022-08-17 06:44:51.427 I SYNCHRONIZATION started 2022-08-17 06:44:53.530 W Failed to get top block hash to check for new block's parent: MDB_NOTFOUND: No matching key/data pair found 2022-08-17 06:44:...
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Why does Monero require synchronization, but Bitcoin doesn't?

I'm wondering why Monero requires "synchronization" while Bitcoin doesn't? I'm asking only about the case when a remote node is used, because it's obvious that local blockchain will require ...
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How do I get my Cake Wallet to sync?

Recently I created a Cake Wallet account and sent Monero to it. However, whenever I try to sync it, it continues to say "Starting Sync." I have tried connecting it to various different ...
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Getting a runtime error when syncing

When I start syncing on the network on my testnet I get a runtime error. I get no error message or anything else. If I log in stacktrace.cpp I get the following. Exception: St13runtime_error This is ...
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Stuck synchronizing small blockchain on test network

I am running a test network and I am stuck with the following logs. 2022-03-31 16:06:33.886 I ********************************************************************** 2022-03-31 16:06:33.886 I The ...
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Local node stuck 3.8 month behind (current height: 2504635)

I installed monero gui on Windows a week ago and created my first wallet, unfortunately I ran into an issue with my local node. FYI, my monerod version is 0.17.3.0-release It does not synchronize all ...
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Using GUI wallet but when I check status in the log it says 0/0

I have tried everything in these guides but still cannot seem to get my daemon to sync. It's just stuck at 0. When I type status in the log it says 0/0. Any suggestions? I'm using local node. I have ...
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Monerod synchronization so slow it can't catch up to Blockchain on Raspberry Pi 4 + SSD

I want to set up a Monero full node on my new Raspberry Pi 4. First, I've downloaded the full blockchain by running monerod on my laptop on an external SSD, because I noticed doing so on the Raspberry ...
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Daemon Sync Stuck: 0 Blocks Remaining

Using Monero GUI Wallet in Simple Mode, which was apparently supposed to give me immediate Send/Receive functionality. The Daemon Sync started off with "Daemon blocks remaining: 0" and has ...
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I sent some monero to a "standard XMR" address while my wallet uses base58 format, was it lost?

The sender was having some troubles to withdraw using the base58 format, which starts with a 8. So I used this website thinking the worst that could happen is me having to manually sweep the address ...
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How do you know monerod has synced?

I’ve a monerod on stagenet. How can I know it’s synced the blockchain? Thanks
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"LEVIN_PACKET partial msg received" while syncing

Should I pay attention to the set_level 2 print outs? Sometimes I get a lot of these: "LEVIN_PACKET partial msg received len=1400" (The 1400 varies) Anyone know what that means? Or it doesn'...
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Sent XMR To My Desktop GUI Wallet From BEFORE being fully synced - Daemon is Synced but XMR is Still Not in Wallet? Any Help Would Be Great [duplicate]

I made a stupid mistake... Sent XMR To My Desktop GUI Wallet From Kucoin BEFORE being fully synced. Kucoin says "sent successful" to my Wallet ID - I didn't realize I had not yet synced. It ...
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Monero GUI with Ledger Nano S. Synchronizing forever and not showing transaction received [duplicate]

Sent from Kucoin, which says transaction was completed hours ago, but not showing up in my wallet. The GUI says Synchronizing Wallet and Synchronizing Daemon for a long time now. The wallet does ...
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Time Required for Initial Blockchain Sync

I am a beginner interested in trading and mining the Monero Cryptocurrency. I am using an Arch based Linux distribution and I have downloaded the monero-gui package from the Arch package repository to ...
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SYNCHRONIZATION started loop

I'm trying to get monerod to work after running monero-blockchain-prune. It didn't seem to be working right and I found that monero-blockchain-import --pop-blocks ... might help. So I popped off the ...
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Why is syncing Monero using a regular rotating disk drive so slow on a VPS?

I managed to find a decent deal on a large 200GB vps for $5, but the only issue is that its on a regular rotating disk and not an SSD. I tried syncing ./monerod and its so slow to sync even 2%. It ...
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Is there any build options that compiles monerod better optimized for x86-64?

Frustrated in my intention to contribute to the network with a public full node. I encountered lot of problems with the blockchain replication using monerod. I've tried for few days to get monerod ...
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Daemon sync never starting - can't receive my funds

I'm pretty new to Monero and I've checked many FAQ's or forums to solve this issue, but I can't find a good answer. I've recently bought some Monero coins on Agoradesk. Sent it to my Monero GUI wallet,...
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Monerod synchronization very slow on SSD with good network bandwidth

I'm trying to sync local node. I downloaded the monero blockchain.raw file and imported it using monero-blockchain-import. Importing the blockchain took about 5 hours. But for some reasons it imported ...
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Why does the Daemon keep flipping about after full loading

WhiteDragon coffin dodger at work, I managed to be fully loaded after a three day tedious wait all the block data for the /monero-gui-v0.17.1.9 Not pain free with a couple of restarts, all from ...
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How to remove monero-wallet-gui from mac

I am entirely new to crypto and monero so I figured I would download the monero-wallet-gui from getmonero.org. I downloaded the mac version and then I started the syncing process not knowing what it ...
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What is in ~/.bitmonero/lock.mdb? Is it needed to start syncing from a blockchain backup from another computer?

I plan on using monerod only for a couple of weeks a year with --prune-blockchain flag to keep the blockchain data below 20GB. In the meantime I will be reinstalling the operating system of the PC ...
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2k views

How to keep Monero daemon from crashing during initial sync?

I found that my Monero GUI wallet keeps crashing during the initial blockchain synchronization, and when I start off from where it crashed, data.mdb in C:\ProgramData\bitmonero\lmdb has been corrupted ...
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Problem: Daemon failed to start. Timed out, local node is not responding after 120 seconds [duplicate]

Unable to sync Monero GUI version 0.17.1.9 and Ledger nano s ver 1.6.1. wallet I'm trying to sync GUI version: 0.17.1.9-release, in Advanced mode (Local node). These are the steps taken to sync GUI ...
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Monerod constantly in sync by lagging behind 2 blocks

I have been running my own Monero Node (Monerod) for some weeks now and it worked perfectly. However, today my Node get stuck in the constant sync limbo at exactly 99.9%. It was always 2 blocks behind ...
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Coudn't connect to daemon

Wallet do not synchronizing because he couldn't connect to daemon. Win 10. Restore height is 2150000. I tried: Reinstall GUI (I had used latest version (17.4) before, but anyway) Start monerod Resync ...
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Connect GUI to remote node, wallet & daemon synchronized. Why don't this mean local blockchain is synched?

I keep having problem in getting local blockchain up to date to current height, including importing downloaded raw blockchain, each time it would get to a point where db gets corrupted & I have to ...
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Synchronizing and p2pstate.bin, GUI wallet

Hello I have 2 questions after recently downloading the monero blockchain to a whonix instance. I am using the GUI wallet. When I log into the wallet I get "Daemon is synchronized" but the ...
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Could not connect to daemon

I am a newbie and still trying to figure out what i am doing. For a couple of weeks now I've really been struggling to sync Daemom. The blocks are painfully slow. I'm setting up a local wallet, for ...
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Monero withdrawn from Kraken but not showing in my Ledger Nano S hardware wallet via Monero GUI wallet [duplicate]

On Thursday evening (BST) I withdrew some Monero from Kraken online exchange to the wallet address generated by setting up a Ledge Nano S Hardware wallet in the Monero Gui wallet (v0.16.0.2(Qt 5.12.2) ...
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How to increase monero node connectivity?

I have a server in Germany with a monero node running. 1) I want my node to be informed about the appearance of a new block as faster as possible. 2) I also want other nodes to be quickly informed ...
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Is there a secure way to boostrap a node?

It seems the sync process is tediously slow with it's verification. I do know of the bootstrap file, but I'm not sure how secure this is (How to synchronize the GUI wallet using the blockchain ...
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1 answer
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What is the limiting factor for synchronization speed?

I'm syncing a node right now from scratch. It seems to be going slower than I expected. CPU/Memory/IO/Network all do not seem fully utilized. What is the limiting factor here? My assumption is it ...
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How to keep lots of Monero wallets in sync?

I run a service that involves ~500 separate Monero wallets, since they all need unique private keys. To make wallet access faster, I keep the wallets in sync constantly with a simple Python script ...
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Can't start monero daemon under Ubuntu WSL "Attempt to get hash from 0 height failed"

I am using monero v15.0.2 gui version under windows 10 Ubuntu WSL. I am getting this error when starting up. It doesn't seem to be downloading the blockchain at all. How can this be resolved?
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Synchronizing GUI wallet issue

I just downloaded the new GUI and completed the download of the blockchain for a local node, but for some reason the wallet is not syncing and after I restart the daemon and GUI, both of them say "...
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"Waiting on daemon synchronization to finish" - still can't fix

first time user of Monero and to be honest, very unsophisticated user of crypto etc etc.... anyway... Issue: installed monero app on mac, setup app with remote node using Ledger nano S, open the ...
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RPC is node fully synced

In my test environment, which is ssh,bash and screen, I'm launching a monerod followed by several other programs wallet-rpc/cli and more, which are all depending on monerod. To prevent any confusion, ...
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monerod sync suddenly got slow, how to speed it up?

I've been running monerod 0.14.0.2, and it has been working well for several months. Today I noticed that it had fallen about 10,000 blocks behind. I killed it and restarted it, and called status ...
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How can I sync the blockchain from scratch, gently in the background?

I'm new to Monero, forgive me if this is a newbie question! I've tried to sync the blockchain from scratch twice now. Both times, it's slowed my computer to an absolute crawl and my computer was ...
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Daemon thinks it's connected but keeps saying "there were 0 blocks in the last 90 minutes..."

Alright, so I had been using the monero gui wallet for a couple weeks by running my own local node and everything was fine. Then one time when I opened the wallet for some reason it wouldn't connect ...
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