Questions tagged [raw-data]
should be used for questions related to raw data
126
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levelDB : How does the key/values pairs work for datadir/blocks/index/
I'm trying to understand the format of key/value pairs in LevelDB for Bitcoin data storage.
Given the following raw key and value:
Raw Key: ...
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1
vote
2
answers
96
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Is it possible/feasible for nodes to redact information (for example inappropriate images) in their blockchain and remain part of the network?
With the freedom to run nodes being critical to bitcoin's success, I'm concerned that if someone successfully writes highly inappropriate or abhorrent information/images as a valid transaction then ...
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4
votes
1
answer
252
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BIP324 encrypted packet structure
I recently saw the BIP 324 proposal. It shows us there can be some privacy enhancement by using ECDH secrets and encryption algorithms such as ChaCha20 and AEAD-ChaCha20-Poly1305. The proposal ...
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0
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255
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How to get UTXOs Data from the network Using python?
I want to have the Bitcoin Network UTXOs only for a data analysis project and the purpose is visualization of the time series of 1>BTC wallets . how can I do it using python ? ( or is there any ...
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2
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3k
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How to decrypt an encrypted private key
"addr": "193BiCSPG1fJzU4JSLhi4tvXUQ6Qr6kLiq",
"compressed": false,
"encrypted_privkey": "...
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0
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1
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50
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Don't have full block data on my full node
I am revising my blockchain parser and I'm encountering an issue where I only have block headers but not the corresponding block data on my machine for blocks past a certain height (on my machine it ...
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0
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38
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How to display {block number} instead {date value} on Wordpress posts?
Ideally, the goal is to show the block number (ie: 782667) instead of the date value (ie: 26 March 2023 4:44PM CT) on all wordpress posts and pages that currently display it.
There's maybe a script we ...
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53
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Can we have more than one address in transaction inputs and outputs addresses attribute?
In the transaction data of bitcoin can we have more than one address element in adresses attribute of inputs and outputs of a transaction.
2
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1
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186
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Raw data vs information encoded in OP_RETURNs
Imagine I want to fill the 80 bytes of OP_RETURN data with zeroes, so that the resulting data is 640 bits set to 0, or 160 hex digits set to 0.
The data is 640 bits but the information encoded is much ...
- 479
1
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2
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545
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Analyse huge amount of blockchain data
I am trying to go over all transactions data from every block on the bitcoin blockchain from the previous 4 years. With almost 2k transaction per block, it will take a lot of queries per block. I have ...
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85
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How much bitcoin in Canada?
How much bitcoin in Canada? Are there any sources of data or sites where it says how much bitcoin is in Canada or how many wallet addresses are Canada based?
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592
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What is the different between CompactSize and VarInt encoding?
Pieter Wuille's definition of CompactSize encoding seems to match Greg Walker's definition of VarInt encoding, yet the BitcoinWiki claims that CompactSize is not to be confused with VarInt.
What, if ...
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226
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Is there evidence for lack of stale blocks?
There was a recently published academic paper "Bitcoin’s limited adoption problem" which used a statistic that the network latency is around 15 seconds.
Obviously, this is not true: One can ...
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2
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2
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165
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What are bitcoin Pool APIs?
I contacted a website and asked them where they get their data for crypto like Bitcoin, as I am trying to find the place for the most up to date and reliable data on Bitcoin and other crypto. They had ...
- 63
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50
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How do we make sure we don't lose some data permanently?
If my understanding is correct, the blocks, transactions and other data are stored in a decentralized way. Even though the full nodes exist they may not have the complete data and it may be fail/...
- 101
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2
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335
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How to download just the blockheaders for the blockchain
I'd like to download all the blockheaders for the blockchain directly from the network (not an external API) ... what is the best way to do this?
I don't actually care about the transaction data and ...
- 161
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183
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where can I get on chain data?
I'm trying to make some On chain data analysis, but almost all providers are not free
so the question is if I set up a full bitcoin node will be able to extract real time data from it?
seems like ...
- 103
0
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Is Bitcoin considered mobile money (formal definition)?
I'm using an IMF data set that includes mobile money variables along with a data set of cryptocurrency use. I found the mobile money variables to be highly correlated with the cryptocurrency use data. ...
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Finding all BTC transactions from Dec,2017
I am doing a research and for that i need all successful BTC transactions that happened in Dec,2017. Is there a way to download this data ?
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54
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How to detect data insertion transactions in Bitcoin Blockchain?
I am wondering how I can detect data insertion transactions from the normal ones in blockchain.com UI?
https://www.blockchain.com/explorer
Thank you
- 109
0
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1
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58
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output descriptor serialization
I'm looking at the following official test vector:
wsh(multi(1,xpub661MyMwAqRbcFW31YEwpkMuc5THy2PSt5bDMsktWQcFF8syAmRUapSCGu8ED9W6oDMSgv6Zz8idoc4a6mr8BDzTJY47LJhkJ8UB7WEGuduB/1/0/*,...
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0
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187
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Bitcoin data by country?
I am a political science graduate student looking to do research on bitcoin and cryptocurrency. To do so, however, I need data. While many datasets provide wonderful histories of bitcoin price and ...
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212
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Are the blocks in blkxxxxx.dat files ordered by block height?
I'm parsing out de blockxxxxx.dat files for the bitcoin blockchain. Are the blocks ordered by height? So is the order of the data for everybody the same?
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90
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Are blocks stored in blkxxxxx.dat files per line?
Simple question. Is each line in a blkxxxxx.dat file a block?
- 186
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84
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Why is data stored in reverse in the blockchain files?
I'm parsing the binary data from the bitcoin core blockchain blkxxxxx.dat files.
If I read out the magic number I get this:
\xf9\xbe\xb4\xd9\
Why isn't it stored the other way around, as the magic ...
- 186
0
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143
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How to get _integer_ satoshi values from JSON RPC?
It seems that RPC calls for getting JSON information on blocks return "value" fields in bitcoins, not in satoshis.
This means that there is a conversion from integer to float somewhere, ...
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969
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Transaction outputs with value 0
If I am correct, some transactions have outputs with "value" field equal to 0, and some even have all their output "value" fields equal to 0.
See for instance:
transaction ...
- 205
0
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133
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how is blockchain data stored and accessed?
Can blockchain data be stored in a relational database? If so what would the schema be? I know blockchain itself is a data structure, but how is the data stored? In JSON files? In a RDBMS? in CSV file?...
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276
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Ho do I generate the output script of a bitcoin transaction?
When I mean output script I mean the output script from step 11 from this question:
Redeeming a raw transaction step by step example required
Then the actual output script: 76 a9 14 ...
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553
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Which blk*.dat file contains a particular block?
Is there a way to find out which blk*.dat file contains a particular block?
For example, it would be useful to know which *.dat file contains block 478558, which is the point where BCH forked from BTC....
- 153
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121
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Where can I find data for abandoned blocks (74,638 to 74,690) for the Value Overflow Incident when ₿184 billion BTC were accidentally created?
I already have data for all the Mainchain Blocks. Where can I find data for the orphaned/abandoned blocks (74,638 to 74,690) before the re-organisation occurred?
I can only seem to find information ...
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140
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Where is the actual data stored in blockchain?
I know that the blockchain stores the transnational data and it is immutable but where is the actual data stored? If there is a use case to replace a centralized data center solution with a blockchain ...
- 101
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College Economics Student in Support of Crypto Looking for Live Hashrate Data
I am a college economics student doing a Thesis project in support of the long term viability of Crypto. Does anyone know where I can get live Hashrate data for free or for sale? I appreciate it - ...
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159
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API for raw Bitcoin latest block data?
I would like to get the full raw data on the latest bitcoin block. I was hoping I could get this from an API.
I looked at blockchain.com's API's but these don't seem to provide the full data for each ...
- 121
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What does volume mean?
When we talk about OHLCV bars for say LTC-BTC, what does volume mean ?
Is it the quantity of LTC transacted during the bar or the quantity of BTC transacted during the bar?
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177
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what is fee_estimates.dat data format?
I'm trying to parse the file fee_estimates.dat.
What is the format of the binary data inside fee_estimates.dat ?
I didn't find any information about it in the dev documentation of Bitcoin.
This is ...
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324
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Where can one download Bitcoin Days Destroyed data? Alternately where to get data to calculate BDD?
I'm trying to find a source of downloadable (preferably csv) data for Bitcoin Days Destroyed. Alternately I can calculate it myself provided I can find the constituent data.
In particular, I want to ...
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853
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Multisig scripts hashing (p2sh): difference between legacy and segwit
Some time ago I noticed that, given the same inputs, addmultisigaddress and createmultisig Bitcoin core's methods were generating different p2sh (addresses).
I asked around and a user from the ...
- 113
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0
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1k
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How to dissect or decode a BTC transaction?
I used a packet capture to capture the transaction of bitcoin, and I got the following:
...
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answer
311
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How happens the serealization the data in the file blkxxxx.dat in the bitcoin
I'm writing a blockchain parser for bitcoin core with C++ and now I want to enrich the data I read with the raw transaction and the previous and next block hashes.
I used this library to convert the ...
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2
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Bitcoin-core how to get all transactions hashes?
Please, can anyone help me how to get all transactions hashes? How to browse all the transactions hashes used in blockchain?
P.S. How simply get a list of all transactions IDs (as a simple text list) ...
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272
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HELP: recover my btc funds though all odds against me. someone with Xtra knowledge?
5 months research and a lot of findings indicating it might be possible. I try askin here, like an last effort and Im not expecting fully fix or so but maybe some tips or information that might help ...
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607
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How to retrieve transactions in realtime from bitcoind .dat files
I want to get all the data from blocks as they get updated on my local node.
Abe offers very poor performance, and fast-dat-parser creates other .dat files and doesn't have enough documentation for me ...
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92
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Where in a bitcoin transaction can I store some data? [duplicate]
I need to store some data in a transaction to the data can be stored in the blockchain.
In which field of the transaction I can store it?
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825
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What are the hashes in Unspent outputs?
I am a newbie to Bitcoin.
Looking at
curl https://blockchain.info/unspent?active=1Cdid9KFAaatwczBwBttQcwXYCpvK8h7FK
I guess that the script is the owner's address.I am not sure about this.
"...
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2
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794
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Send raw transaction (have tx_hex) on litecoin testnet using api or module
I have raw data (tx_hex) for raw transaction, but I cant send it to litecoin tesnet using post request to testnet.litecore.api. If I insert tx_hex manually in the browser, the transaction is correctly ...
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429
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Raw data of dates in all blocks using PHP or R
Is it possible to obtain the date (time stamp) of each bitcoin block so far, using languages like PHP or R?.
I am developing an analysis of the time series of bitcoin use for a scientific project, ...
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3
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3k
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.csv file of every block timestamp in btc history
i am looking for a .csv file of every block timestamp in bitcoin history with the block height. i can get one day at a time from bitcoin.info but i dont fancy manually copying and pasting over 3000 ...
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275
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Cryptocompare API is not updated
I have created an android app for maintaining the portfolio. I have used the coinmarketcap.com API. This API does not have the data at exchange level.
I have tried https://min-api.cryptocompare.com/ ...
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554
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Analysing the raw block Hex file but I can not find the expected information
My goal is to understand better, how transactions and blocks are built raw. For that, I found several questions and answer here on StackExchange, but the best for me was this post:
Download single and ...
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