Ponzi / Pyramid Contracts
Chain letters, pyramid schemes and doublers where new deposits pay earlier entrants. Distinct from games of chance.
MyScheme
One of Ethereum's earliest pyramid-style chain letter contracts, deployed 9 days after genesis. Required 10 ETH per entry and distributed payouts to earlier par
0xa32707...30f955August 7, 2015Ponzi
A 102 percent pay-forward queue from 8 August 2015 that reverts on every deposit, appending to an array it never lengthens.
0xce44c7...75f579August 8, 2015MyScheme
An early 100 ETH tree-payout chain letter (MyScheme) deployed on Frontier, Aug 9 2015; still holds 1 ETH.
0x4364ef...39df3cAugust 9, 2015MyScheme (100ETH)
A 100-ETH chain-letter investment contract deployed August 9, 2015, part of an early family of Frontier-era financial experiment contracts with variants accepti
0x020522...767d64August 9, 2015Pyramid
Member-added pyramid/chain list with equal-share claim distribution.
0xdf4b51...dc9b87August 10, 2015Pyramid
Classic 3:1 pyramid scheme with Bitcoin bridge integration, deployed September 7, 2015. 1 ETH to enter, 2.7 ETH payout every 3rd participant. Originally hosted
0x7011f3...13b162September 7, 2015Doubler
Doubler drain contract with hardcoded owner
0x2ff2a6...3e5c62January 21, 2016Doubler
A pyramid scheme promising 2x returns to ETH participants. 28 ETH remains locked — those who entered last will never be paid out.
0xc18242...c3fa4bFebruary 19, 2016DynamicPyramid
Self-adjusting pyramid scheme with declining multipliers (3x to 1.5x), deployed February 23, 2016. 140 participants entered, 136 still waiting for payout. Sourc
0xa9e4e3...9ab26cFebruary 23, 2016