VTC v. LTC v. BTC

CoinVertcoinBitcoinLitecoin
Supply84,000,00021,000,00084,000,000
AlgorithmLyra2REv2SHA256Scrypt
Block Time2.5 minutes10 minutes2.5 minutes
Reward Halving840,000 (~4 year)210,000 (~4 year)840,000 (~4 year)
Difficulty AdjustmentEvery blockEvery 2016 blocksEvery 2016 blocks
GPU/CPU MiningYesYesYes
ASIC MiningNoYesYes
Segwit ActivatedYesYesYes
Lightning NetworkBetaBetaBeta
Atomic SwapsIn developmentIn developmentIn development