The recent Cyber attack affecting the NHS, amongst others, involving Ransomware reported that the ransoms demanded involved Bitcoin payment topped $70k, but it was difficult to track the perpetrators because it was paid in Bitcoin.
In a market where the FCA and other agencies have layered regulations that promote being able to identify all parties in a financial transaction, this seems that the technology will make that more difficult, and an anonymous Swiss bank culture more common.
WCry, the National Security Agency exploit-powered ransomware worm that began spreading worldwide on Friday, had reportedly affected hundreds of thousands of computers before the weekend, but the malware had only brought in about $20,000 in ransom payments. However, as the world returned to the office on Monday, those payments have been rapidly mounting, based on tracking data for the three Bitcoin wallets tied by researchers to the malware. As of noon Eastern Time on Monday, payments had reached an estimated $71,000 since May 12. So far, 263 payments have been made to the three wallets linked to the code in the malware.