It's quite common in the UK for an employee to work their notice period after redundancy has been announced / consultation has been concluded (e.g. to allow for

It's quite common in the UK for an employee to work their notice period after redundancy has been announced / consultation has been concluded (e.g. to allow for a handover of the role to respective teams). Garden leave is not a necessity (particularly if you have structured your company so a single employee cannot go too rogue regardless - if a single bad-apple employee can take down coinbase then they have bigger systemic risks!).