Hello from the TraceFast blog

TraceFast is a real-time blockchain analytics and forensics platform for Ethereum. This blog is where we publish the work behind it:

• Exploit post-mortems — trace-level breakdowns of on-chain incidents, from the first malicious transaction to the final fund movement.
• MEV research — what we see in the mempool and on-chain, measured.
• Engineering notes — the infrastructure that keeps a real-time tracing pipeline alive, and what it costs to run it.

Everything here is built on the same tracing engine that powers TraceFast. When a post includes a trace, you can follow it yourself.

A small example of what trace output looks like:

CALL  0xdead…beef → Uniswap V3 Pool  swap()
  ├─ STATICCALL  oracle.latestAnswer()
  └─ CALL  0xdead…beef → Vault  withdraw()   ← reentrancy window

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