"<0.1 BTC" 1PZcNM5RxmkL6sKk2oHz8KwRPgGn6cwJGv https://blockchain.info/address/1PZcNM5RxmkL6sKk2oHz8KwRPgGn6cwJGv To join this category you have to send a BTC amount below 0.1 BTC to the address and attach the hash of your password to the payment. (How? See the FAQ below)
"0.1<>1 BTC" 18baa3zvukN8ED6tQi2LGyUM2Yhq2w1QDE https://blockchain.info/address/18baa3zvukN8ED6tQi2LGyUM2Yhq2w1QDE To join this category you have to send a BTC amount between 0.1 BTC and 1 BTC to the address and attach the hash of your password to the payment. (How? See the FAQ below)