a) Very few. Maybe no more than 10 houses in Japan.
b) Not easy. Exchanges need KYC. Only on-chain. Not a single exchange handles Lightning. Liquidity of exchange between Yen and BTC itself is reasonable.
a) Very few. Maybe no more than 10 houses in Japan.
b) Not easy. Exchanges need KYC. Only on-chain. Not a single exchange handles Lightning. Liquidity of exchange between Yen and BTC itself is reasonable.
sorry
10 houses → 10 shops, stores