The battle between hackers and banks is very unequal, with the former often able to perform their attacks anonymously at little cost. For banks, much is at stake from reputation to profitability and they are having to marshal increasingly sophisticated tools to defend their moats.
The spectacular fall in the value of crypto assets over the past year and November's collapse of crypto exchange FTX has highlighted the pitfalls of investing in this market. Michael Imeson explores how the risks are being managed by different players in the crypto ecosystem.