It's not a direct Ponsi like most people think where it needs new people entering to keep paying out. What it needs is BTC to continue it's exponential growth. Once BTC stabilizes it will collapse. Check out my post on the math of how they are giving you way less BTC than you give them: https://steemit.com/bitcoin/@jnorthwest/bitconnect-explained-how-they-take-your-btc-and-give-you-less