Name the exact asset
Record BTC or the specific stablecoin contract/ticker and verify it through an authoritative source. Different tokens can share a symbol, and bridged versions introduce another dependency.
Name the network
A stablecoin can exist on several chains with incompatible addresses, fee assets and confirmation rules. Both wallet and casino must support the same version and network.
Map custody
Identify who controls keys at each step: exchange, self-custody wallet or casino ledger. Hosted services can delay or reject deposits even after chain confirmation.
Separate risks and costs
For Bitcoin, show BTC/AUD volatility and miner fees. For stablecoins, show peg/issuer/contract risk, gas asset, exchange spread and redemption or banking fees.
Test the round trip
Model buy, send, casino credit, withdrawal, receive and AUD cash-out. A cheap deposit route can become an unavailable or expensive withdrawal route.