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1
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2answers
72 views

Fastest filesystem for blockchain?

I am running Linux with a harddisk. Currently the blockchain is on an NTFS partition, which probably isn't the fastest. Which filesystem should I choose? As I understand it, a Bitcoin node will only ...
0
votes
1answer
16 views

Must block contents be stored with the proof that they haven't been changed?

The replication of the block contents across all full nodes has been bothering me for some time. Isn't the header of a block enough for me to validate the block contents if and when I get them (which ...
1
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1answer
23 views

Would a normalized, hashed, protected chainstate reduce miner storage costs?

Spending freshly generated coins is prohibited by the protocol until there are at least 100 blocks on top of the block from which they came. This is because the chances of a 100-block reorg is ...
0
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1answer
16 views

Decentralized Data Storage System in NXT - How do you disable the 2 week data pruning?

Currently the NXT platform has the ability to store data in its blockchain, whereby making it a decentralized data storage system. But the thing is that the data is purged from a nodes blockchain ...
1
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1answer
74 views

Is there a (potential) “Blockchain size problem”, and what solutions are available?

As more and more Bitcoin transactions are produced, the growth of the Blockchain may well, one day, become a problem for systems which want (need?) to store the whole blockchain. Storage usage ...
0
votes
1answer
132 views

In Ethereum smart contracts is it cheaper to keep all the data, or delete old data?

As I understand, Ethereum smart contracts can store data internally. I am wondering - is it cheaper for a smart contract to keep all of its data forever if it is keeping the data for any length of ...
1
vote
1answer
58 views

What is the most efficient way to store bitcoin addresses in a database?

Let's pretend I wanted to store 1MILLION btc addresses in mysql, I thought about saving the last 10 digits of each submitted address and testing against that but would 10 characters be enough to ...
1
vote
1answer
230 views

What is the estimated size of complete blockchain when all bitcoins are mined. i.e around 2140?

By size, I mean how many GBs or TBs of data storage I would need to save entire blockchain starting from Genesis block when all bitcoins are mined?
1
vote
1answer
616 views

How can I install a bitcoin wallet on Kali Linux?

I got Kali Linux installed on my laptop and I want to install a good bitcoin wallet to store my bitcoins offline.As I know,top 5 best bitcoin wallets would be Bitcoin Core (the first offline ...
3
votes
1answer
466 views

How to store 30kb file using Decentralized Blockchain Data Storage on NXT (nxtcoin) by attach messages?

I'm curious to how would one store a 30kb file on the NXT blockchain since the NXT protocol can attach a 1000byte message. My test scenario is storing a 30kb midi file on the nxt blockchain and then ...
3
votes
3answers
444 views

bitcoin mssql decimal/money storage size

What's the decimal storage requirement in ms sql for bitcoin? GAAP standard quotes decimal (13, 4) for money. Is decimal (13,8) preferred for bitcoin or something else?
1
vote
1answer
105 views

Can you switch the method of blockchain download?

I torrented bootstrap.dat and used am using it to populate the blockchain. It is close to being complete, but my server has ran out of room. There is room for one copy but not enough for two. Is it ...
0
votes
0answers
9 views

Can I force the Bitcoin core client to keep the blockchain on another drive instead of AppData/Roaming? [duplicate]

I have been profiling my disk space and found that the blockchain has become pretty big 25GB or so. I would like to force the core client to save the chain on another drive that is much larger. Is ...
0
votes
1answer
299 views

What's the size of the last Ripple ledger and the indices to search through it?

What is the size of the current ledger and all indices required to efficiently search through it or query it? Also, how will this size grow relative to the number of Ripple users? Side-question: what ...
5
votes
5answers
222 views

Safely convert paper wallet to encrypted online wallet

I started investing a not insignificant part of my salary into BTC a few years ago. I created 10 paper wallets (using bitcoinpaperwallet.com) on a dedicated laptop disconnected from the Internet. I ...
1
vote
2answers
324 views

Electrum Offline Storage - two different OS, multiple wallets

Regarding the instructions to create watch-only wallets in Electrum, I am clear on the intial setup and functionality, signing transactions, etc. but I have a few questions about going forward: Is ...
2
votes
2answers
437 views

What do I need to consider, when I chose media to store a cold/offline wallet?

I'd like to stash away at least part of my Bitcoins in an offline wallet which I will put in a bank deposit box. Which media is recommended to use for that? Should I burn a CD/DVD or put it on an USB ...
4
votes
5answers
9k views

Can i store multiple crypto currencies in one wallet?

Is it possible to make a wallet for BTC and store LTC and NMC or other coins in it?
7
votes
4answers
2k views

Secure way to store BTC over a long time - and its risks?

What are the most secure way to store a huge amount of BTC over a long time and its (detailed) risks? A other assumption is that the owner does not have a very technical background, thus it will not ...
5
votes
5answers
471 views

What happens if I don't “pick up” bitcoins with a Bitcoin client? [duplicate]

Say I want to save ten bitcoins could I send them to myself and just not 'pick them up' with my client? In a way would I be storing the bitcoins in the blockchain and when I want them just start up ...
0
votes
1answer
173 views

What are good ways to storing backup of an encrypted wallet?

What are good ways and places for storing backup of an encrypted wallet? When somebody open encrypted wallet what all can he do when he does not have a key? asuming that the key to the wallet is e.g. ...
2
votes
1answer
177 views

My Niece is turning 4 and would like to give her BTC. What is the best way to give/store long-term?

My niece turns 4 next month and I'd like to give her a fraction of a Bitcoin for her birthday. What is a good way to do this so that she can hold on to it for 10 years or so? Should I just store in ...
1
vote
0answers
156 views

Suggestions for hoarding strategy and technics

I've finally managed to figure out bitcoin, it's fantastic, now I have a goal of buying some coins while they're still affordable. Please provide some advice for a fellow hoarder. Just keeping all ...
4
votes
1answer
168 views

What order do transactions appear in a block? Is it up to the miner?

It seems to be random or up to the miner from what I can tell. But to store blocks, one must keep the order of the transactions (in some position column, etc) because regenerating the block for later ...
15
votes
7answers
1k views

What is the safest medium on which to store my wallet/private keys?

What is the safest medium on which to store my wallet/private keys? I avoid eWallets like the plague. I have my wallet on my computer at the moment with the Bitcoin passphrase encryption and I have ...