After some careful consideration, I've removed the user-to-user tipping function. I plan on replacing that functionality with a non-custodial implementation in the future (probably using something like keysend).
There are several reasons why I thought it best to do this.
First: Zapread is now owned by a legal corporation. This means that the platform will be transitioning to a legal entity, and this means growth but also becoming under more regulatory monitoring. For this reason, it is important that we do not appear to be a money service business.
Second: tips are implemented with a custodial solution. This is not ideal! I'm not happy about it. If we can move to a non-custodial solution then we can avoid many security and counter-party risks as well.
Third: Encourage more spending on content. Use those sats to vote up (or down) content. This injects more life into the platform. Tips were fully parallel to the mission of zapread.
I hope this doesn't cause anyone concern. Please comment about your thoughts on this.