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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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17 votes
1 answer
17k 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?
dEBRUYNE's user avatar
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15 votes
3 answers
33k 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?
dEBRUYNE's user avatar
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17 votes
1 answer
44k 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.
dEBRUYNE's user avatar
  • 15.3k
31 votes
4 answers
43k views

What is the fastest way to synchronize the daemon?

Running the daemon without any modifications can take a long time to synchronize. Are there any faster options for synchronizing the daemon with the network?
Ginger Ale's user avatar
  • 5,676
13 votes
3 answers
7k views

Do I need to sync the entire blockchain before I can send a transaction?

I have a cold storage wallet that I have only used to receive payments. After recovering my wallet with my mnemonic seed, do I need to synchronize the entire blockchain before I can send a ...
tryinghard's user avatar
  • 1,133
6 votes
1 answer
4k views

Monero sync too too slow

I'm syncing monero for the first time. I have an SSD on my syncing PC. I left all day syncing plus all night. I still got 253624 blocks to sync, and letting it all night only synced 400 blocks. This ...
alexandre1985's user avatar
5 votes
1 answer
10k views

How to synchronize the GUI wallet using the blockchain bootstrap

I'm having trouble trying to sync the GUI wallet with the blockchain. I'm trying to use an old 2008 Macbook which I had lying around, with OS X El Capitan (HDD, 8gb RAM, 200gb free storage). I've ...
StrawbsUK's user avatar
  • 701
7 votes
2 answers
1k views

Monero Height at a standstill

My Height seems to be stuck here 335459/335459 (100.0%) on mainnet But when I check the current height online it's 1289240 Could someone help me?
dcrew's user avatar
  • 111
0 votes
1 answer
434 views

How to configure the daemon to use a remote node?

Two questions on using a remote node as below: nicholas@mordor:~/monero4$ nicholas@mordor:~/monero4$ monero-wallet-cli --daemon-address node.moneroworld.com:18089 This is the command line monero ...
Nicholas Saunders's user avatar
15 votes
1 answer
992 views

Why does `monerod` on Raspberry Pi 3 with a copied LMDB not catch up with new blocks?

I have both a macOS system and a Raspberry Pi 3 on the same home network. Both are having Monero release 0.10.1.0 installed. I stopped the daemon on macOS, and then copied the entire .bitmonero ...
dpzz's user avatar
  • 4,539
12 votes
1 answer
728 views

Meaning of "62 days ahead" message after full node has finished synchronizing

What does the message "62 days ahead" message mean? My full node has finished synchronizing (I confirmed this by comparing my block height with both moneroblocks.info and Explore.MoneroWorld.com)
Game Changer's user avatar
  • 1,491
8 votes
1 answer
3k views

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'".
Lucy Tao's user avatar
6 votes
1 answer
621 views

Since monerod through Tor is slower (on Whonix), would importing the .raw be faster?

My understanding is that importing a blockchain backup with Monero and other cryptocurrencies takes about the same time it takes to sync normally. The only reason I could see for someone doing that, ...
will's user avatar
  • 111
6 votes
2 answers
411 views

Started monerod 0.10.1 on an AWS EC2 t2.micro instance, why does it sync so slowly?

I started monerod on an AWS EC2 instance of type t2.micro. This means it has 1GB of RAM, which should be enough from what I've read in various places. It is syncing (from scratch) since two days ...
villabacho's user avatar
  • 1,205
6 votes
2 answers
1k views

When syncing Monero's blockchain from scratch, why does it begin fast and end slow?

I'm currently syncing from scratch, and noticed that the first million blocks or so synced really fast, but the final blocks take forever. Why is this?
user avatar
3 votes
1 answer
497 views

Attempting to get output pubkey by global index but key does not exist

Synchronization is stuck at block height 1200001 (98.5%). Running monerod in version monero.win.x64.v0-10-1-0 it says You are now synchronized with the network. However, I am getting the following in ...
iyrin's user avatar
  • 526
2 votes
1 answer
179 views

Monerod and wallet fully synced, not recognizing transactions made before the fork as valid

Both wallet and CLI are showing the incorrect balance after many full blockchain rescans, trying with the CLI, same result, rescan from genesis block and arbitrary block numbers, same result. Full ...
Grosso_'s user avatar
  • 41
1 vote
1 answer
2k views

Why is it taking so long for GUI to Sync? My balance is still at zero

I have tried for the last few days to sync my windows gui monero wallet. It seems difficult, my balance is showing at zero - after 8 days mining, is this because the wallet hasn't synced yet or 8 days ...
Sploxon's user avatar
  • 113
1 vote
0 answers
189 views

How to complete synchronization through a remote node?

Certainly not looking to sync the daemon fully as it's just too much data for my purposes: 2023-05-22 01:07:54.389 I Synced 70252/2688967 (2%, 2618715 left) 2023-05-22 01:07:55.060 I Synced 70352/...
Nicholas Saunders's user avatar
0 votes
1 answer
3k views

Monero GUI, cant sync wallet

after days of using it, it still hasnt finished syncing yet. And for now, it even cant connect and status is "Network status Disconnected". (Stop/start deamon simetimes failed, sometimes it start but ...
tom52's user avatar
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