FCIBT case studies
FCIBT · Put your knowledge to work in context.
The FCIBT credential - Financial Crime Investigation and Blockchain Tracing - is aimed at people who need to follow money that moves through public blockchains and turn those findings into something usable in an investigation, a compliance file, or a court filing. Candidates typically come from financial intelligence units, law enforcement and prosecution offices, bank and VASP compliance teams, forensic accounting practices, and consultancies that support insolvency or fraud litigation. The FCIBT case studies are 5 cases and about 3,331 words.
1The 0.85 BTC Deposit That Vanished in a Three-Block Reorg
An exchange's automated deposit system credits BTC after two confirmations for deposits below 1 BTC. At 14:02 UTC a customer with 11 months of history and 0.2 BTC prior volume deposits 0.85 BTC.
708 words, about 4 min2The IT Support Merchant With 287 Sending Addresses
During periodic monitoring, a payments VASP reviews Northline Digital Services, a merchant account registered as an IT support company. In 30 days it received 412 incoming USDT transfers, mostly 90-300 USDT, from 287 distinct addresses.
665 words, about 3 min3Tracing 40 ETH Through a Bridge, a Peel Chain, and an Exchange Deposit
An investigator is tracing 40 ETH stolen from a DeFi protocol. The thief sends 40 ETH to address A, then within one block splits it: 12 ETH to a swap contract for USDC, 27.8 ETH to address B, and 0.2 ETH to a newly created address C.
662 words, about 3 min4The Eight-Input Co-Spend and the Exchange Deposit Address
A blockchain analytics team builds a cluster of 19 addresses controlled by Entity X, a suspected ransomware cash-out wallet. The cluster is based on a single transaction with 8 inputs: 7 addresses with no prior history and one address that is a known deposit address of a large exchange.
610 words, about 3 min5The 50 ETH Deposit Six Hops From Tornado Cash
A VASP's blockchain analytics tool flags a customer's 50 ETH deposit as high risk because the funds are six hops from Tornado Cash. The customer says they sold an NFT and the buyer paid from a wallet that had used the mixer.
686 words, about 3 min