They would allow two people to send and receive small amounts of cryptocurrencies back and forth without using the blockchain. (coinstaker.com)
If you're just looking to purchase small amounts of cryptocurrency, your exchange's wallet will be OK for now. (bitcoinprice.com)
This isn't the first set of steps that Twitter has taken to stop deceptive cryptocurrency scams: it says that it will start taking down accounts that ask for small amounts of a cryptocurrency while impersonating celebrities. (theverge.com)