Money transfer, or any non-revocable transaction for that matter, should require multiple sign-offs (a.k.a "two/X to sign"). Businesses have been using this for

Money transfer, or any non-revocable transaction for that matter, should require multiple sign-offs (a.k.a "two/X to sign"). Businesses have been using this for decades. This problem isn't a technical one..it's a process issue. One person shouldn't be able to transfer $25m without multiple people authenticating and authorising.