The ponzicoins currently around (that I'm aware of) are:
- BCC Cash (note that this is different from Bitcoin Cash)
- BCHconnect
- Binary Coin
- BitAI
- Bitclub
- Bitconnect X
- Bitether
- Bitfinite
- Bitglare Coin
- Chrysos
- Coinrium
- Cointeum
- Coinspace
- Davor
- Eigencoin
- ETHconnect
- Etherbanking
- Exacoin
- Falcon Coin
- Farstcoin
- Ficoin
- Forzacoin
- Futurecoin
- Gold Reward Token
- Goldgate
- Hextracoin
- Home Block Coin
- HotCrypto
- Hydrocoin
- Ibiscoin
- Ideacoin
- Knox Coin
- Legendcoin
- Lendconnect
- Lendera
- Libra Coin
- Liteconnect
- LoopX
- Martcoin
- Moneroconnect
- Monetize Coin
- Monyx
- Neoconnect
- Numiv
- Onecoin
- Pagarex
- Regalcoin
- Secular Coin
- SFICoin
- Steneum
- Stepium (actually a pyramid scheme)
- TEX Coin
- Thorn Coin
- Ucoin Cash
- Unix Coin
- USI Tech
- Western Coin
- XRPconnect
Defunct ponzicoins:
- Ambis
- Bitcoinly
- Bitconnect
- Bitlake
- Bitpetite
- Chain.Group
- Coinreum
- Cryptodouble
- Metizer
- Microhash
- Thunderbit
- Vixice
- Vone
The above coins are only ones that I think are ponzi schemes. There are many other scam coins out there, but I haven't included them here because many of them are controversial, so deciding with certainty which are scams would be impossible, and because making this post was already a lot of work.