Are coins the same as cash?

No, they are non-cash credit valued at 1 Coin equals ₹1.

GoCoins: Allocation

No. Coins are non-cash credit valued at 1 Coin equals ₹1, redeemable on GoExplorer.

You cannot withdraw them to a bank account, but you can spend them on deals and stays, where each coin takes ₹1 off.