Dash is yet another fork of Bitcoin core, but designed to have faster transactions with more privacy. Dash stands for “Digital Cash” and is available over Mainnet and Testnet networks.

Networks Mainnet, Testnet
Released 2014
Consensus Proof of Work (PoW)
Smart contracts No
Block time 2.5 minutes
Smart contract language(s) supported No
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Addressing Bitcoin’s weaknesses

Dashcoin “fixes” Bitcoin’s issue with the 10 min block confirmation time. With Dash transactions confirmed in seconds, it’s much more efficient than Bitcoin. Dash also incorporates a feature called “InstantSend” which locks the transactions and avoids the double spend issue some blockchains have.