The spike in value of Bitcoin has seen the rise of ICOs (Initial Credit Offerings), a business promise to automate some kind of marketplace using the same Blockchain technology as Bitcoin. With Bitcoin prices rising, it is more profitable for investors to hold onto the offerings, fuelling the likelihood of a “Bitcoin Bubble’.

https://investorplace.com/2017/11/initial-coin-offerings-and-the-bitcoin-bubble/#.WgPbcBNL-Rs