

Ran WireGuard on a Pi1 and it was fine for two users. Albeit WireGuard was the ONLY thing running aside from a Gitlab Runner.
A 4b should be more than enough for many use cases except things that cause torrents of packets - but even then YMMV. It really depends on the workload.
One bit of advice: if you can, use a storage device other than the micro-sd slot for the 4B. Again YMMV.







Andreas (lead engineer) has told the story of how he got that money - they just happen to know each other and $100k is peanuts for the Shopify founders.
But you’re right to suspect anything of the sort!