Letterflix - Send letters and snail mail online to the USA, Europe, India, or anywhere in the world. Letterflix is the easiest and secure way to send letters and snail mail anywhere in the world from the comfort of your home.
Shake Pay - Mobile bitcoin debit card
DocuPost - Sustainably mail letters, checks & postcards online from 75¢
Crypto Celebrities - Crypto Celebrities is a new online platform where blockchain meets gaming, which enables the users to buy, sell, or trade CryptoCelebrity smart control like a collectible item.
Letter to Yourself - Send a physical letter to your future self
1inch - A user‑friendly wallet as an entry point to DeFi