Address formats by network: Mainnet (workchain 0):
- Bounceable (EQ...): Transaction bounces back if contract doesn't exist
- Non-bounceable (UQ...): Transaction is final even if address doesn't exist Testnet (workchain 0):
- Bounceable (kQ...): At the moment, this does not work in testnet, use mainnet address
- Non-bounceable (0Q...): Transaction is final even if address doesn't exist