Steem Dollars are liquid stable-value currency tokens designed to be pegged to $1 USD. Steem Dollars can be traded with STEEM and transferred to other accounts for commerce or exchange.
Nasdacoin is an encrypted and decentralized Virtual Currency, open source, point-to-point, developed with the scrypt algorithm in the POW/POS Hybrid format that allows people with an entrepreneurial and passionate profile about the financial and technology market to store and invest their wealth in a safe currency not controlled by the government and even gain a substantial investment interest.