Memo transaction

Post memo I tried to verify. Actually there is a lot of addresses which could be used. The first one is qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqr5w5w5x8rwhc with the payload 0x7475. This is strange.
Reply to memo 2cbc6a1ce0379e98a1505c13dbf0af5f1a5b16902f9f47deeacfaf70f54edebe