MetaMask, Coinbase or any other wallet that supports the Ethereum network. - Source: dev.to / over 1 year ago

I created a Coinbase Wallet following the link from https://wallet.coinbase.com to install a Web browser extension but was disappointed to see it doesn't support BTC. Apparently, only the mobile app versions of the Coinbase Wallet support BTC. Are there any plans to add that functionality to the desktop version of the wallet? Source: almost 2 years ago

A few days ago, all my money, $58,797, in my Coinbase Wallet was drained from my wallet without me knowing about it until I opened my wallet. Source: about 2 years ago

I'm going to assume by "coinbase wallet" you mean coinbase.com and not the literal Coinbase Wallet. Coinbase Wallet would have fees identical to MetaMask, as those gas fees are from Ethereum, all wallets pay the same. Source: over 2 years ago

Some cryptocurrencies, like Hoge Finance, can only be purchased with another cryptocurrency on decentralized exchanges. To buy Hoge Finance, you’ll need to first purchase Ethereum (ETH) and then use ETH to buy Hoge Finance. And to do that, you need what’s called a self-custody wallet. Here’s how to do that using Coinbase Wallet for U.S. residents. Source: over 2 years ago

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