http://bitcoinpyramid.com/r/7605

- no password or email address needed
- no limitations on hierarchy depth
- no limitations on the size of membership fee (you can start with 0 btc!)
- about a half of deposited money goes to random members
- new members that do not follow referral links become referrals of random members
- automatic payouts when income hits the threshold (0.01 0.021 btc currently)
- all the pyramid info is published on the site, daily backups of the whole mysql database are available at http://bitcoinpyramid.com/backups
- due to previous 2 features, there is almost nothing to hack!