All Questions
Tagged with synchronization client
17
questions
4
votes
1
answer
72
views
Do any full-node clients compress blocks?
Does Bitcoin Core or any other full node capable client compress the blocks in transit on the network or locally on the node's filesystem?
I used 7z to compress a handful of my locally stored blocks, ...
0
votes
0
answers
126
views
How to most efficiently keep in sync blockchain on offline computer (including through bitcoin-qt upgrades)?
I have bitcoin-qt running on online computer. I want to:
copy blockchain to offline computer (preferably using WORM media for security reasons)
from time to time update offline copy with newest ...
1
vote
2
answers
306
views
Very hard to sync Core Client from scratch
Recently I started running a Core 15.1 node with the blockchain on an external hard drive, and found it very hard to fully sync the blockchain.
The problem I keep running into is that (in about 90% of ...
1
vote
1
answer
503
views
Migrate from Bitcoin Core Wallet to somewhere else before sync completed
I created a Bitcoin wallet yesterday using Bitcoin Core Wallet application and bought some bitcoin via buy.bitcoin.com to the address mentioned in File>Recieving Address in my Bitcoin Core Wallet. ...
1
vote
1
answer
177
views
How does intial block download work at P2P layer?
A simple DOS attack while IBD could be as follows:
The fresh client is currently downloading block 100.
Then it is offered 10 blocks at height 101, each claiming they are the heaviest chain
9 out of ...
1
vote
0
answers
532
views
Blockchain download stuck on Bitcoin core wallet
The caching up process was progressing (slowly but still progressing) until it got stuck after processing 436820 blocks:
https://i.sstatic.net/c8h0z.png
3 days after, I'm still at 70.76%
Says I'm ...
2
votes
1
answer
230
views
Bitcoind suspend when Synchronizing blocks
My bitcoind started synchronising blocks. The bitcoind version is 0.93. When the bitcoind found an orphan blocks in the synchronising process, it seems stop and did not work. the message from the log ...
3
votes
1
answer
776
views
Why does the Bitcoin core client use so much CPU time while synching?
I have always noticed the huge increase in cpu usage when I opened my client for the first time in a few days. I was wonder what this is from? I would imagine verifying all of the signatures of the ...
0
votes
1
answer
84
views
how to get clients sync status via API
I try to use the build in API by bitcoin client and I wonder how to get the sync status via API of a runing client.
1
vote
2
answers
1k
views
The bitcoin-qt synchronization just stopped
Someone recently stole the computer where my Bitcoin were. As my hard drive was entirely encrypted and as I had backups of my wallet.dat file in three different places, I'm not afraid of losing money, ...
4
votes
3
answers
2k
views
Is the synchronization process supposed to be downloading at less than 5kB/s?
I've been running the bitcoin-qt client for over a week now trying to catch up with the block chain (closer to three weeks if I count the first time I had to synchronize everything). Looking at my ...
1
vote
3
answers
3k
views
Does having the Bitcoin Client running always use up a lot of the CPU?
I have the Bitcoin Client running on my laptop, it is up to date and now fully synchronised, but it is running the CPU at almost 100% and so makes doing anything else extremely slow. Is this normal?
...
6
votes
3
answers
12k
views
How long does it take to download the blockchain? It's been over a day and still going
I'm a newbie to bitcoins, and need some help!
I downloaded the Bitcoin client and installed it on my laptop.
It is 'Synchronizing with the network' and has been doing this for over a day. Is this ...
12
votes
1
answer
13k
views
Synchronizing with network – What does it mean? [duplicate]
The messages:
synchronizing with network
xxx blocks remaining
what does that mean?
3
votes
1
answer
3k
views
Synchronising official bitcoin wallet for the first time; at 95% started going backwards
I.E. 9900 blocks remaining, 9904 blocks remaining and the total percent synced is decreasing. Is this normal behaviour? I'm on a mobile broadband connection but http connections are working just fine. ...