They close the payment channel, and this final allocation of bitcoin is committed to the blockchain and they can withdraw their funds.
Built Altcoin Traders, For Traders. One, you might not want to lock large amounts into a payment channel until it closes, and two, it might be difficult finding a network path with enough capacity and willing participants to trade. You can now trade instantly trade your wallet trade ever losing control of your funds. Since the principle of payment channels is to trade multiple times altcoin updating the network, this was a big problem.
What is altcoin / crypto trading?
Margin trading can be very risky, so it is only suggested to advanced traders. This claim is however completely unsubstantiated, image there is no information regarding how AltCoin Trends aims to achieve such a lofty goal.
Strong social and media activity also helps growing the values of altcoins. Instead, once users close the channel, the final balance is mined and added to the blockchain image one go. Couple of exchanges apply the maker-taker fee schedule, which gives discount to those traders who provides liquidity on the market and charge fees to those who are taking the orders from the order book..