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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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6 votes
1 answer
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Why are empty blocks not all the same size?

Why are empty blocks not all the same size? On Monero Blocks I see a different size for blocks with zero transactions. 1157855 block size 210 1157856 block size 254
fatdoor's user avatar
  • 589
3 votes
1 answer
300 views

Could IPFS (InterPlanetary File System) be used with Monero?

Are there plans? The IPFS website states that it is a perfect match with the blockchain. Is this true with Monero's blockchain? Or, IPFS has no point at all / useless? https://ipfs.io/
hzmnabk's user avatar
  • 305
11 votes
2 answers
5k views

How do I save the Monero blockchain to another hard drive?

I have a small SSD as my windows 7 C: drive. How can I transfer and save the Monero blockchain to another hard drive on my computer in order to save space?
Romanero's user avatar
  • 501
16 votes
3 answers
2k views

Looking for an easy explanation about kovri

I still don't get what kovri actually is. Can anyone provide an easy explanation? I looked at YouTube for videos, but couldn't find any. Also other links didn't help. Does anyone know a picture ...
PowerFlower's user avatar
12 votes
2 answers
1k views

How can one query the blockchain's database?

I realize that LMDB is very different from your typical SQL database, but is there a query language, or scripting language interface, that can be used to query the blockchain's database? I am aware ...
dpzz's user avatar
  • 4,519
5 votes
2 answers
158 views

Should we synchronize blockchain from scratch after every scheduled hard fork?

Should we synchronize blockchain from scratch after every scheduled hardfork or just update the binaries and synchronizing blockchain from where it was synced with pre hardfork binaries?
Febo's user avatar
  • 361
2 votes
2 answers
71 views

Is there a Blockchain-like hub for Monero to manage wallets with an easy interface?

I created an offline Monero wallet with https://moneroaddress.org/, now is there any easy way to check its balance? I used ShapeShift to exchange Bitcoin for Monero and sent it to my public address ...
user3672782's user avatar
4 votes
1 answer
93 views

Code that checks for 'rogue block'

I read recently about, for lack of a better term, a rogue block that was recorded into the blockchain that forked the chain but it didn't split exactly. I read that there is some code in later ...
gdoober's user avatar
  • 685
9 votes
2 answers
2k views

How do I prove that a payment has been sent to a particular address?

If I pay someone, and they then claim that the payment has not been received, how can I prove that the payment was in fact sent?
Alexde's user avatar
  • 1,498
3 votes
1 answer
610 views

Blockchain syncing and transactions verification

Recently I updated to version 0.10, but that wasn't an easy process. It took too long to go over my old blockchain and make it compatible with the new client, so I aborted that (iirc there was no ...
user141's user avatar
  • 3,327
13 votes
6 answers
9k views

Blockchain size on hard drive?

What is the current blockchain size in gigabytes and is there a service that regularly reports this statistic?
Adriaan Joubert's user avatar
5 votes
1 answer
460 views

Message "Ours and foreign blockchain have only genesis block in common... o.O"

When I'm syncing the blockchain for the fist time, I have this error message 8 times 2016-Sep-26 19:58:50.608535 [P2P3]ERROR /tmp/monero/src/monero-0.10.0/src/cryptonote_core/blockchain.cpp:1835 Ours ...
Clement J.'s user avatar
  • 3,339
8 votes
2 answers
579 views

Is there a way to see the total supply of coins?

I ask because if there is anonymous transactions how is one (without the Private Key) going to see an address?
Idenitifiication 's user avatar
10 votes
1 answer
13k views

Transaction stuck as "pending" in monero-wallet-cli

A transaction I made a few hours ago is stuck as "pending", after sending via monero-wallet-cli. The transaction has not been picked up in a block yet. I found this comment on Reddit by /u/...
naleves's user avatar
  • 103
3 votes
1 answer
265 views

How to transfer synced blockchain along with another OS on a USB

So, I am considering switching my current OS to Qubes and I am currently running Lubuntu 14.04 LTS. I figured since Qubes is a lot more secure of an OS, I wanted to install it on my laptop as my main ...
floam412's user avatar
  • 756
7 votes
1 answer
250 views

Do checkpoints make initial blockchain sync faster?

Do the checkpoint hashes in checkpoints.cpp make the syncing go faster? Why or why not?
CQM's user avatar
  • 603
8 votes
2 answers
4k views

Blockchain properties: what are Height and Difficulty?

What are Height and Difficulty properties of Monero's blockchain?
Alessandro Da Rugna's user avatar
9 votes
1 answer
1k views

What kind of pruning techniques does AEON use?

AEON has a pruning branch. What kind of pruning is it? Is it just like Bitcoin pruning, or is there more to it?
PyRulez's user avatar
  • 3,120
4 votes
2 answers
322 views

unable to see wallet balance using simplewallet restore

So I have been trying to restore my wallet using the seed and simplewallet, it asks for a wallet name, then a password and finally my seed, it says my wallet has been opened. Then I set refresh and ...
user406's user avatar
  • 41
11 votes
1 answer
732 views

Is it viable to attack Monero by artificially bloating blocks and make it harder to run a full node due to the increased blockchain burden?

A lot of small block proponents defend their stance by reasoning that an artificial cap is necessary to prevent spamming, and thus bloating the blockchain. How effective is Monero's mechanisms at ...
ferretinjapan's user avatar
39 votes
1 answer
46k views

Where is the blockchain saved, in windows?

I'm kind of mystified. Bitmonerod says it's up to date. I don't see anything in my monero folder that looks like a blockchain. I also searched, using the windows file explorer, for all files bigger ...
DoNotTransfer's user avatar
8 votes
1 answer
481 views

Is there any message in Monero's genesis block like there is in Bitcoin's?

As the title says, what data was used to seed Monero's genesis block?
ferretinjapan's user avatar
12 votes
1 answer
251 views

How much larger would a mixin=4 Monero transaction be compared to a Bitcoin transaction?

I've heard estimates ranging from 5-10 times bigger, but is it possible to come up with a more precise answer? By how much will this figure change after RingCT is implemented? What other factors might ...
Alexde's user avatar
  • 1,498
9 votes
3 answers
481 views

Are criticisms of Monero's blockchain bloat substantiated? [closed]

One of the more seemingly legitimate criticisms of Monero is that the blockchain is susceptible to bloat due to its ring signatures. Are these criticisms valid, or do other coins have similar ...
cardboardoranges's user avatar
15 votes
2 answers
3k views

What happened at block 202612?

Why was this block hardcoded in the source-code? What happened with the Monero blockchain in the block 202612?
user avatar
11 votes
4 answers
338 views

Can Monero stand as a distinct cryptocurrency, or will its features be brought to Bitcoin via sidechains?

Is Monero intended to be a competitor to Bitcoin, or is the intent to develop technology that will improve Bitcoin? Is there any reason why Monero's features wouldn't just be brought to Bitcoin ...
Alexde's user avatar
  • 1,498
30 votes
4 answers
3k views

How much larger are Monero transactions compared to the average Bitcoin transaction?

We know that because of the way Monero's privacy works, transactions are larger than a Bitcoin one, but how much larger on average are they compared to Bitcoin transactions? How will this affect the ...
ferretinjapan's user avatar

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