I think CryptoMaster.org is a very good domain name. Not sure about the sales in .org for Crypto, but the two keywords together make a lot of good sense.
Thanks mary muse for yours comment and it's great to know cryptoexpert.org was yours... Good sale... Please keep commenting on the domain.. Cryptomaster.org
Thank you tama for yours comment... The word master has its own sense... Please keep commenting on cryptomaster.org.. More different views on this domain... Would be helpful...