Show HN: QuatChat, a 3D imageboard where being there is the write permissionhttps://quat.chat
QuatChat is a desktop browser imageboard where you are a low-poly kumquat, and every board is a structure standing in a 3D world. Posting requires you to walk your kumquat to a board and stand near it. You can also found your own boards too. The walk is enforced server side, and the server owns all positions and never trusts client coordinates. When you post, it mints a short lived HMAC presence attestation naming your account and the board you are at, and the API refuses the write without one. You cannot post by hitting the API directly, and a headless spam script has nowhere to stand withou…