ブロックトレーディングでしょう
burokkutorēdingudeshō
1. Probably block trading.
Noun
#3335960
1. Probably block trading.
1. it seems; I think
2. right?; don't you agree?
1. bloc; association
1. blockchain
1. trading
1. trading card; collectible card
1. concrete-block wall
1. trading card game; collectible card game
1. concrete block