Apirone might be a bit more popular than Flyp.me. We know about 1 link to it since March 2021 and only 1 link to Flyp.me. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you mine into your own wallet on your desktop no one knows, but if you mine and then place in an exchange which has KYC you will need to pay tax in most western countries unless you use sites like https://flyp.me/en/#/ to swap for another coin into another desktop wallet then no one knows, provided you use a VPN during the swap. Source: almost 3 years ago
The two main ready-to-use software CoinJoin implementations are Wasabi Wallet (https://wasabiwallet.io/) and JoinMarket (https://github.com/Joinmarket-Org/joinmarket-clientserver). Currently, crypto-processing Apirone (https://apirone.com/) use pre-mix of UTXO based on CoinJoin technology. Source: over 2 years ago
SwapSpace - SwapSpace is a cryptocurrency aggregator exchanger.
Coinbase Commerce - Accept BTC, ETH & other digital currencies in your business
changelly - Exchange alternative cryptocurrencies.
Coinomi - Free Secure Multi-Coin Multi-Asset HD Wallet for Bitcoin and Altcoins
SimpleSwap.io - SimpleSwap is an instant cryptocurrency exchange without sign-up and upper-limits.
Circle Pay - Send money like a text. No fees. No borders. No one else is doing this.