Undoubtedly, but it's also probably a combination. They seem talented and probably could have provided significant technical expertise. The Bitcoin network ana

Undoubtedly, but it's also probably a combination. They seem talented and probably could have provided significant technical expertise. The Bitcoin network analyzer sounds a bit odd since you'd think the FBI already has a team dedicated to cryptocurrency investigations, but who knows. Maybe what they developed was really just that good, perhaps from their past experience tracking competitors and adversaries through the blockchain.