The cryptocurrency industry seems keen on exchange traded funds (ETFs) as the next big milestone to see increased mainstream trading for the digital assets. Indeed, the US Securities and Exchange Commission (SEC) has received a host of ETF proposals from different companies over the years. Unfortunately, the agency doesn’t seem convinced that cryptocurrencies are ready for ETFs yet. The Winklevoss twins were the first to file a Bitcoin ETF proposal with the SEC back in 2013. The agency took its sweet time to make a decision, but finally rejected the proposal four years later. A second proposal from the Winlevoss…

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