Research
Blockchain investigations, security analysis, wallet intelligence, and practical on-chain research.
Intelligence Reports
1 publishedBTIX Intelligence Reports · No. 01
The Coldcard Seed Failure
A build-configuration mistake, not a break in Bitcoin. How predictable key generation turned a public blockchain into a search index — and what exposed holders have to do about it.
15 August 2026Revision 2IR-2026-08-CC-RNG
FeaturedWallet Analysis
How to Investigate a Blockchain Wallet Like an Analyst
A practical, responsible workflow for reading a public wallet: what the chain actually shows, what it cannot prove, and how to record your findings.
BTIX ResearchAug 3, 20268 min read
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Investigations
How Blockchain Investigators Follow the Flow of Funds
A working guide to tracing value across public blockchains — reading transaction direction, tracking multi-hop movement, handling exchange and bridge boundaries, and separating what on-chain data proves from what it merely suggests.
BTIX ResearchJul 24, 20269 min read
Tutorials
Understanding Blockchain Transactions
What a transaction actually contains, how it reaches a block, and the difference between what it records and what it proves.
BTIX ResearchJul 20, 20263 min read
Wallet Analysis
How Wallet Tracking Works
How analysts read an address and its activity — direction, counterparties, clustering, and the line between what the ledger records and what it proves.
BTIX ResearchJul 15, 20263 min read