With the advent of Bitcoin futures becoming available as tradable assets on mainstream US exchanges (first, through the CBOE listing that just took place and second, the CME Group listing that's set to take place at the end of this week), the chances of the SEC in the US green - lighting a bitcoin ETF just increased dramatically. (bitcoinist.com)
With thousands of cryptocurrency tokens tradable on exchanges, and thousands more registered as ERC20s, confusion is inevitable. (btcoin.info)
Johnstone, N., 2002: The use of tradable permits in combination with other policy instruments: A scoping paper. (ipcc.ch)