Questions tagged [chainanalysis]
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16 questions
0 votes
2 answers
104 views
Which part of bitcoin is sitting or moving
With Bitcoin ETFs on the horizon I expect that I am not the only person hoping to gain deeper understanding of the way bitcoin moves. I wonder if there is any insight in which part of the bitcoins ...
0 votes
1 answer
109 views
How provide a sender address to a Know Your Transaction service
Due to the recent change in regulatory bodies, crypto businesses are now being asked to prevent their customers from facilitating transactions used for money laundering and other illicit activities ...
0 votes
0 answers
65 views
use java to scan all the block
I am trying to scan all the bitcoin data on my workstation with java to get some high level statistic data. I parsed all the transactions with bitcoinJ, but I encountered a problem, the Transaction ...
- 341
2 votes
2 answers
3k views
Open-source forensic analysis tools to analyze full-node's local copy of Bitcoin blockchain?
Are there any open source alternatives to Chainalysis Reactor for doing forensic analysis of a local copy of the full Bitcoin blockchain?
- 5,001
1 vote
0 answers
430 views
Where can I download the bitcoin blockchain to do offline analysis?
Where can I download the bitcoin blockchain to do some offline analysis. edit: Ideally I'd like to download .txt (or another file extension, e.g. .dat, as long as the contents are unencoded and human ...
- 11
0 votes
0 answers
178 views
Help analyzing this color coded hexdump of the Bitcoin blockchain
Sample of genesis, growth, and current height Sample of the latter part and the end of blk02655.dat. This probably covers parts of the last 10000 blocks. Process here: https://twitter.com/...
- 415
4 votes
3 answers
537 views
Can stolen or otherwise tainted coins be laundered through mining fees?
Do chain analysis techniques consider the fee portion of block rewards as tainted funds? e.g. if known stolen funds are moved in a certain block, the fees the sender pays end up "polluting" ...
- 89
1 vote
1 answer
232 views
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?
- 186
0 votes
0 answers
137 views
What's up with the block size of block# 295182?
I found an anomaly in the block size data: block 295182. This one seems to have a way higher payload. What happened there? Or is this there something wrong with my parsing? This file block does ...
- 186
0 votes
1 answer
106 views
Are blocks stored in blkxxxxx.dat files per line?
Simple question. Is each line in a blkxxxxx.dat file a block?
- 186
0 votes
1 answer
117 views
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
6 votes
2 answers
232 views
How can other parties track the inflows, outflows, and reserves of exchanges?
I see that there are a few sites that provide analytics for the reserves that exchanges are holding as well as inflows and outflows (e.g. https://www.tokenanalyst.io/dashboard). How are these ...
- 161
0 votes
1 answer
897 views
Is there a bitcoin explorer that can visualize where the coins are flowing from one address into another?
I remember playing with a bitcoin explorer tool awhile back where one can input a bitcoin address and see all the coins flowing into it in a tree like structure. I want to be able to investigate where ...
- 11.1k
0 votes
2 answers
3k views
Determine which transaction output is a change address and which is not [duplicate]
Is there a way to determine which transaction output is a likely a change address and which is not? Looking at this transaction, there are two outputs - a change address and the output address. ...
- 103
3 votes
1 answer
98 views
Is there a way to link a bitcoin user's transaction to entering a lightning network channel?
Since lightning channels are offchain. When you send bitcoins to a lightning network node or wallet. Is there a way for companies like chainalysis to see if your on the lightning network? And then ...
- 11.1k