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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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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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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483 views

transfer fails with invalid output

I'm using the latest monero-wallet-cli version Monero 'Boron Butterfly' (v0.14.0.2-release) on linux. When I try to submit the transfer, it throws the following error: Error: transaction <txid> ...
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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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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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How do I sync 'monero.exe' and my wallet?

I just installed the monero package from monero.org and I set up a wallet. Now I'm running 'monerod.exe' and the wallet, but it says that they're not synced together... How do I fix this?
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Explanation of the Monero Daemon running arguments

I started the monero daemon via the GUI on Mac OS X. I downloaded the binary unpacked from monero-gui-mac-x64-v0.12.0.0.tar.bz2. When I do a simple $ ps aux | grep monero from the command line I get ...
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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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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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Daemon sync questions

I've been letting the daemon sync for a while now, a few days actually, and it's at 80% and now going very slowly forward. About 20 blocks at a time. I understand why this happens, but this case seems ...
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301 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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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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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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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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Please help finding missing money

I was making an online purchase for a car part from overseas and the the seller wanted paid in Monero. I have used bitcoin in the past but have never used Monero. I had a few hundred dollars in ...
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Still getting error when trying to sync Monero Desktop wallet

Error: “Daemon Failed to start Timed out, local node is not responding after 120 secs” when trying to sync GUI Monero wallet I'm trying to sync GUI version: 0.17.1.9 in Advanced mode (Local node) ...
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Daemon failed to start [duplicate]

I would be grateful for some help. I haven't logged into the Monero GUI for a while, and had to update and sync the blockchain. While syncing my computer crashed, and now when I try to sync I get the ...
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Error: “Daemon Failed to start Timed out, local node is not responding after 120 secs” when trying to sync GUI Monero wallet

I'm trying to sync GUI version: 0.17.1.8-8e6a2cde (Qt 5.9.9), Embedded Monero version: 0.17.1.8-release, in Advanced mode (Local node). These are the steps: Launch Monero Desktop app Put in 8 PIN to ...
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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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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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How long should the GUI wallet take to synchronize?

This is my first question (on any StackExchange), so sorry if it's 'stupid' or already answered somewhere else. I've just downloaded the beta GUI wallet (MacOS) and it is now 'sychronizing blocks' (...
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Restart sync if computer shuts down while downloading Blockchain

Sometimes my old computer freezes and has to be re-started. On a new installation, if I'm only partially done with sync, will I have to start all over or will it pick up where it left off?
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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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Daemon not syncing on tails current release monero gui [duplicate]

monero seems to be not syncing on tails initial startup any ideas? [10/21/20 7:01 AM] 2020-10-21 I Monero 'Oxygen Orion' (v0.17.1.1-release) Height: 1, target: 1 (100%) Downloading at 0 kB/s Next ...
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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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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 recover a damaged blockchain? [duplicate]

Log: [P2P1] ERROR blockchain src/cryptonote_core/blockchain.cpp:4317 Error adding block with hash: <(hash)> to blockchain, what = Error adding spent key image to db transaction: ...
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Double spend error

I'm getting the error "transaction was rejected by daemon with status: failed. Reason: double spend" So a couple days ago I tried to send monero from gui wallet, I thought it went through ...
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726 views

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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5k views

Changing block-sync-size within GUI or running monerod

This answer explains how to start the daemon with a specified block-sync-size: ./monerod --block-sync-size 10 How can I do the same thing from the Monero GUI or from a Monero daemon that is ...
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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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Best method of speeding up Monero downloading / syncing of the xmr blockchain?

My node is 8000 blocks behind, and its taking quite a while to sync. Is there a faster way to sync / download the Monero blockchain?
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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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Error in synchronisation with monerod

I had a problem with the synchronisation of monerod because when starting, it gives me this error: --log-level 2 `2017-05-26 01:45:42.857 7f49065b6740 INFO net.p2p src/p2p/net_node.inl:545 Binding on ...
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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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Lost monero money after switching wallets

I am a monero noob, please help. I could not send funds from my MyMonero wallet, so as everyone suggested I imported the keys in the Monero GUI wallet. Problem is, it shows a 0 balance. When I tried ...
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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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659 views

How synchronization with a remote node works?

I'm using a remote node, but it says disconnected so I clicked start Deamon and I'm waiting so much time for it to synchronize and it's filling my disk space ? I was thinking it do not fill disk ...
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503 views

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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147 views

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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823 views

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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324 views

Difference between Wallet Sync and Daemon Sync

What is the difference between Wallet Synchronization and Daemon Synchronization, in case of using either of local node or remote node?
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Daemon stopped syncing

I am using v0.14.0.2-release on Windows, and launching the monerod daemon with ./monerod.exe --block-sync-size=10 --data-dir=/f/.monero/ syncs correctly up to height 1788144. After that, the daemon ...
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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?
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Low security sync mode?

I'm wondering if anyone has thought about or implemented a low security sync mode? Presumably the client would only need to grab the TX hash, P and R values, and number of outputs, to be able to ...
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Why does the option “--verify 0” for monero-blockchain-import not work?

When I use the command ./monero-blockchain-import --verify 0 --input-file ./blockchain.raw it says "Failed to parse arguments: unrecognised option '--verify'".
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Why the syncing of the wallet is very very slow?

I am new in Monero, I created a wallet address with Monero GUI, and someone transferred a little bit Monero to my address. However, I cannot see any transferred Monero in my wallet and the wallet just ...