jm ¾¦LÖþ·4ýÿB¾¦->4x`@§+hQL¥How about anonymous voting (betting)?
e.g.
1) Choose option
2) Write message
3) Add tip
Then memo produces a QR code. User scans it from their phone and sends tx.
https://whatsonchain.com/tx/a47f5b3c980a3aca51e93dd042990297e03280e98bafec67246ca6ec51cc4356