Oldest Cryptocurrency to exist

BitCoin - 2009

Bitcoin is an open-source project where anyone can participate. No one owns or controls it.

LiteCoin - 2011

Litecoin is a form of open, censorship-free, decentralized money

Namecoin - 2011

Namecoin is an open source solution that aims to improve the decentralization, security, privacy and speed of specific internet infrastructure components

Peercoin- 2012

A cryptocurrency called Peercoin uses both proof-of-stake and proof-of-work algorithms

Gridcoin- 2012

An open-source cryptocurrency called Gridcoin uses the BOINC network to safety reward volunteer computation.

Each of these coins offers its advantages, such as low transaction fees and faster confirmation times.