These coins were on the list at one time but were removed. Most were removed when GPU miners became available. Once GPU mining software becomes available, the difficulty increases greatly making CPU mining too difficult.
|
Coin
|
Symbol
|
Algorithm
|
Exchanges
|
Why Removed
|
|---|---|---|---|---|
| Animecoin | ANI | Hybrid | None | GPU Miner |
| Atom | ATO | Hybrid (Quark Clone) | None | GPU Miner |
| Badgercoin | BDG | X11 | None | Removed from exchanges |
| BernanKoin | BEK | Primechain | None | No exchange after 60 days |
| Bitquark | BTQ | Hybrid (Quark Clone) | None | GPU Miner |
| C-Note | CNOTE | Hybrid (Quark Clone) | Poloniex | GPU Miner |
| ChainCoin | CHC | C11 | AllCrypt | Little exchange volume |
| Dashcoin | DSH | CryptoNight | ALT2BIT | Little exchange volume |
| Datacoin | DTC | Primechain | Bter | GPU Advantage > 10 |
| Dougcoin | DOUG | Hybrid (Quark Clone) | None | GPU Miner |
| FairQuark | FRQ | Hybrid (Quark Clone) | Poloniex | GPU Miner |
| Fatecoin | FATE | Scrypt-Jane Hybrid | None | No Developer, Not Syncing |
| Frozen | FZ | Hybrid (Quark Clone) | Poloniex, CoinedUp | GPU Miner |
| Hashcoin | HASH | X11 | None | Removed from exchanges |
| HighFiveCoin | H5C | X11 | None | Removed from exchanges |
| Heavycoin | HVC | Hefty1 | Poloniex, MintPal | |
| Juggalocoin | JUG | X11 | None | Removed from exchanges |
| Kryptonite | KRYP | X11 | LazyCoins | Little exchange volume |
| LimeCoin | LIM | X11 | None | Removed from exchanges |
| Marucoin | MARU | X13 | None | GPU Advantage = 10.7 |
| Megcoin | MEG | Scrypt-N-R | None | Removed from exchanges |
| Metacoin | MET | Hybrid (Quark Clone) | None | GPU Miner |
| Metiscoin | MTS | Hybrid | Poloniex | Missing Dev |
| Minicoin | MINI | Hybrid (Quark Clone) | None | GPU Miner |
| Molecule | MOL | Hybrid (Quark Clone) | None | GPU Miner |
| MountCoin | MNT | CryptoNight | None | Removed from exchanges |
| Muniti | MUN | X11 | None | Large Premine |
| Myriadcoin | MYR | Multiple | Poloniex | GPU Miner |
| NetII Coin | NetII | Hybrid (Quark Clone) | None | GPU Miner |
| NoirShares | NRS | Hybrid Momentum | Poloniex | PoW ended |
| Offerings to Cthulhu | OFF | Hybrid (Quark Clone) | None | GPU Miner |
| Particle | PRT | Hybrid (Quark Clone) | CoinedUp | GPU Miner |
| PinkCoin | PC | X11 | Bittrex | PoW Stage Complete |
| PNut | PNUT | Primechain | None | |
| Primecoin | XPM | Primechain | BTC-e, Bter, Vircurex | GPU Advantage > 10 |
| Protoshares | PTS | Momentum | Bter | GPU Miner |
| QubitCoin | Q2C | Hybrid | Poloniex | GPU Miner |
| Quark | QRK | Hybrid | Bter, Vircurex | GPU Miner |
| Rhinohorns | ROH | Scrypt Adaptive N | None | No Developer |
| Roulettecoin | RLT | Roulette | Exerana Exchange | Little exchange volume |
| Siamese Coin | SIS | X11 | None | Removed from exchanges |
| Soma | SOMA | Hybrid (Quark Clone) | None | GPU Miner |
| SecureCoin | SRC | Hybrid (Quark Clone) | Bter | GPU Miner |
| Twecoin | TWE | Hybrid | None | No Developer |
| TJCoin | TJC | Ocean | None | No Developer |
| Tlascoin | TLS | Hybrid | No Developer | |
| TwilightCoin | TWC | X11 | None | Removed from exchanges |
| Unioncoin | UNC | Hybrid (Quark Clone) | None | GPU Miner |
| Vertcoin | VTC | Scrypt Adaptive Nfactor | Bter, Vircurex, Poloniex | GPU Miner |
| VirtualCoin | VC | X11 | None | No Exchange |
