Testnet is an alternative Bitcoin blockchain that developers use for testing. Testnet coins do not hold any value.
Developers use testnet to experiment with the blockchain without using real bitcoins or worrying about breaking the main chain.
This address has transacted 14 times on the Bitcoin blockchain. It has received a total of 0.05445332 BTC ($2,092.96) and has sent a total of 0.01809229 BTC ($695.39). The current value of this address is 0.03636103 BTC ($1,397.57).