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Questions tagged [storage]

The tag has no usage guidance.

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Running Bitcoin (core dameon full-node) on IPFS vs NFS?

I've tried running numerous Bitcoin daemon's concurrently over an NFS solution (namely LizardFS) using XFS instead of ext4. It only reached about 60% of its potential before all daemon's crashed. This ...
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1answer
33 views

Is it possible to store data privately into the bitcoin blockchain?

Given that Bitcoin is a public and permissionless blockchain, does this mean that any data stored in it will be free for anyone to see? Is it possible to store documents such as screenshots etc.?
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3answers
89 views

Where is the data stored in Bitcoin?

Is all the data related with the transaction of bitcoin stored in blockchain or the data stored somewhere in the cloud and they are referenced from blockchain. I have this confusion because if we are ...
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2answers
24 views

How much can you compress a bitcoin for storage?

I've just implanted an NFC chip in my hand and I'm wondering if a bitcoin will fit in the chip. it has a capacity of 868 bytes.
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1answer
397 views

How to store private key in MySQL database?

I want to receive payments from Bitcoin on my web app, but I do not want to use corporate gateways (coinpayments, bitpay, etc), I'm wanting to make my own gateway. I do not know how best to do this ...
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1answer
37 views

How to move sync's data to another partition after run Bitcoind for a while?

I have download a new bitcoin package from official site. And then I ran it with daemon mode also with default configuration (Default means not bitcoin.conf file was created in ~/.bitcoin/.bitcoin....
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1answer
62 views

Why is the target truncated?

Reading the docs on target: The maximum target used by SHA256 mining devices is: 0x00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Because Bitcoin stores the target as a ...
0
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1answer
68 views

Share private data and prevent data forwarding

Let's say A has some private medical records of patients and B is a pharmaceutical company who wants to view medical records from A to find out the effect of a particular drug on the patients (run a ...
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3answers
236 views

Can Bitcoin be stored in a computer without a wallet , just like a normal file?

Everything on computers are stored in some type of files like .txt , .MP3 , ... Etc , so is it possible that BTC itself could be stored in a PC independently without a wallet , just like any other ...
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1answer
545 views

Bitcoin blockchain in mongodb

How bad would it be to use MongoDB as a Bitcoin database instead of LevelDB? I know that LevelDB is faster but I've also read that MongoDB is better for doing queries. It seems cleaner to store the ...
2
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1answer
960 views

does 24-word recovery seed recover just bitcoins or all coins?

I keep Bitcoins, Bitcoin Cash, Bitcoin Gold, Ethereum (via My Ethereum Wallet) and Litecoins on a Trezor. Question 1: In the event that my Trezor is lost or destroyed, will my 24 word recovery ...
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0answers
387 views

What is the smallest ubuntu virtualbox image to run cryptocurrency software on?

I'm looking to do all my crypto related stuff like storing coins and managing my coin wallets inside a virtualbox. I plan to use ubuntu as it seems most friendly with many crypto coins. What is the ...
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2answers
394 views

Another 140 GB for BCH?

My question is should I allocate another ~140 GB of disk space for BCH full node? Thanks!
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1answer
143 views

could trezor be used to store passwords like 1 pass? [closed]

I'm wondering if trezor be used to store password(s) like you do with 1pass? If not, is it something you'd contemplate in developing? Thank you
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1answer
358 views

In a private blockchain network, can we delete the first N blocks and reassign the N+1th block as the genesis block?

I am aware of the data loss caused by deleting the first N blocks. But I am curious to know whether such a task is possible or not. If so, how to practically implement it?
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1answer
327 views

Privacy issues with storing entire information in blockchain

I have been learning about how blockchain can be implemented in IoT, or health where entire information of patient is stored in blockchain, or in case of governments having info about citizens. ...
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3answers
681 views

Keeping old blocks on an external hard drive and latest blocks on an SSD

I would like to keep the latest 512 MB of blocks on my SSD (using pruning?) and the rest of the blockchain on an external non-SSD hard-drive. Is there a way to do this already, or do I need to write a ...
3
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1answer
390 views

Is Blockchain safe to store personal information?

I do my first steps in blockchain development and I have a questions about storing some sensitive data on a chain. Assuming two companies developed the protocol of document exchange through ...
2
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1answer
83 views

Do I spare 80Gb to only keep the blockchain and do I need it to be always present?

I am new to Bitcoin, reading a book and just downloaded a client. On site I read the note that I would need about 65-80gb to keep the whole history of transactions. What happens when it downloads the ...
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2answers
16k views

Why does Bitcoin Core take up so much space?

I have downloaded Bitcoin Core and the blockchain has nearly filled my local storage. Can i move the wallet to a hard drive and then delete Core from my computer? I'm a newbie lol
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3answers
598 views

How to store transactional information on the blockchain

I have an operational process that involves several sub processes. I am currently maintaining an audit trail of the entire process. For (successfully) completed processes, I want to record the ...
2
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3answers
137 views

Is there any bitcoin fork which goal is storing arbitrary information?

I know that there is Namecoin, which saves key:value pair. Is thete other similar solutions? Maybe for arbitrary textblocks? Update: how they do it? Delaware Blockchain Initiative to Streamline ...
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0answers
142 views

Does anyone know how to enable “Massively Reduced Disk Usage for Wallets” feature in Bitcoin Core 0.12.0? [duplicate]

Based on the release note https://bitcoincore.org/en/2016/02/23/release-0.12.0/. Users will be able to run a full node while only storing around 2GB of data. What should I do to enable this feature ...
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1answer
361 views

How long do files stay on the Decentralized Data Storage blockchain when using NXT's Data Cloud Feature?

NXT 1.7.4 just released a new Data Cloud feature: How long do files last on the NXT blockchain?
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2answers
236 views

How should one manage the Bitcoin blockchain on a Linux laptop with limited storage?

I want to run Bitcoin-Qt on a laptop that has limited storage (it has an SSD and is used for many purposes that all require a bit of hard drive space). Assuming these hardware limitations, what would ...
3
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2answers
394 views

Wouldn't bitcoin benefit from distributing partial blockchains over each node?

Why doesn't each node store only a portion of the blockchain? For example, if you had 100 nodes, each node would store 10% of the blockchain. This would amount to significant overlap of each aspect ...
2
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2answers
1k 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
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1answer
57 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 ...
2
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1answer
56 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
144 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 ...
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2answers
4k 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 Client ...
2
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1answer
682 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 ...
3
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1answer
579 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 ...
2
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1answer
2k 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?
2
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1answer
4k 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 wallet),...
3
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1answer
979 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 ...
5
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3answers
2k 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?
2
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1answer
133 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 ...
2
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1answer
1k 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 ...
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6answers
1k 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 ...
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2answers
899 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 it ...
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2answers
699 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 ...
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5answers
49k 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?
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4answers
4k 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 ...
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5answers
606 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
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1answer
213 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
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1answer
210 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 ...
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0answers
168 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 ...
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7answers
2k 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 ...