My friend heard about the Ethereum blockchain and thinks it's the safest place to hide stuff.
Prove him wrong.
Network : Ropsten Test NetworkContract Address : 0x94f23F189583e828E73573905A19d93E21D0E957
they gave. eth address and said its network as ropsten test network
open https://www.myetherwallet.comchange network to Ropsten test networkgo to View Wallet Infoand give the address and check last transactionshttps://ropsten.etherscan.io/address/0x94f23F189583e828E73573905A19d93E21D0E957
https://ropsten.etherscan.io/tx/0x51fb0720ce718920573882821a2ca39722c42f1d49ed460e6912bb0fff5562c2check the Input Data:click on view input data as and aelect UTF-8u see the flag 
d4rk{sucH_s3cr3cy_much_w0W}c0de