Nerdwallet has a pretty good comparison chart for secured business credit cards. You'll find many of them with cash back rewards, but I haven't seen any with flight rewards though. You can also build business credit with regular credit-that-works-like-debit cards from Brex, Dappr, and several others. Source: about 1 year ago

Hey guys, I would need to know if anybody has had experiences with a lawyer that did subpoena Polonium, specifically the former US corporation Poloniex LLC in Boston, MA, USA. We need them to help us identifying the holder of a wallet hosted on their website back in 2017 because that wallet received stolen Bitcoins that belonged to us. I understand that some years ago they moved to Panama, but I believe that the... Source: over 1 year ago

It is crazy to think these scammers can still contact me after I have recovered my money from them. They used https://www.polex-pro.com/dist/#/ to contact me with the hope I would invest . Note that this is a clone of the main site https://poloniex.com/. I hope people out there know that www.polex-pro is a scam and clone of the original site poloniex.com . Source: almost 2 years ago

High-volume exchanges include Coinbase, Bitfinex, Bitstamp and Poloniex. For small amounts, most reputable exchanges should work well. Source: about 3 years ago

I'm new to the Community and very happy to be here... I wanted to know is poloniex.com for dogelon? I have over 500 million there. Thanks. Source: about 3 years ago

I tried Poloniex, which again took too much fees for sending away coins, also their option to sell-to-fiat, was eventully a coin-send to Simplex which costed me 25€ in Bitcoins, plus additional 5€ for withdrawing my Fiat via SEPA. Source: about 3 years ago