Pierre Rochard, founder of bitcoin consulting company Bitcoin Advisory, launched a vote on Twitter yesterday. "Is Bitcoin trading supposed to achieve Lightning access?" 54% of them voted for support. Rochard has just forwarded the supporters' Twitter. "Lightning access can reduce counterparty risk; in theory, the only funds the exchange needs to hold are open orders (for example, limiting the sale of BTC in the order book) and open positions The funds required for the margin position."