Talk about crypto trading with any savvy trader, and the first thing that comes up these days is perpetual futures, or “perps” — derivatives contracts that allow traders to control a much larger position than the money held in the account. Perps work like standard futures, but with one key advantage: there is no expiry.

While bitcoin and ether traders can dabble in spot, futures, options, perpetual futures and even structured products, for traders of other altcoins, perps are perhaps the only avenue for derivatives available to them. Dated futures (those with expiry) for altcoins are illiquid, and the spot market is an afterthought for anybody who doesn’t plan to hold.

So, CoinDesk talked to traders who have thrived in the perpetual…