How to Purchase Proton Project (PRTN) Using Sponge (OLD) ($SPONGE) in Indonesia

To buy Proton Project using Sponge (OLD) in Indonesia, first, find a cryptocurrency exchange that supports the PRTN/$SPONGE trading pair. Create an account, verify your identity, and deposit your $SPONGE into your exchange wallet. Locate the PRTN/$SPONGE pair on the trading platform and place an order to exchange your Sponge (OLD) for Proton Project. If the PRTN/$SPONGE pair is unavailable, you can first exchange Sponge (OLD) for a stablecoin like Tether (USDT) or an Indonesian fiat currency like IDR, then trade that for Proton Project. Be mindful of potential exchange fees, which vary by platform and can affect the total cost of your transaction.