A Guide to Initial Coin Offerings (ICOs)

ICOs usually run for a 30-day period during which investors can purchase the new digital tokens in exchange for bitcoin (BTC) or ether (ETH). Since most ICOs are run on the Ethereum blockchain, ether (ETH) is the most popular digital currency used to make investments in the token sale market.
https://btcmanager.com/guide-initial-coin-offerings-icos/