Coinstash is an Australian-based cryptocurrency exchange and trading platform established in 2017. It allows users to securely buy, sell, and trade over 1,000 cryptocurrencies with AUD support, competitive flat fees, and powerful tools like limit orders, recurring buys, and portfolio trackers. With full AUSTRAC licensing, partnerships with Fireblocks and Chainalysis, and features like DeFi connector and SMSF support, Coinstash aims to bridge traditional finance and blockchain. It caters to both retail and institutional clients through a mobile app, web dashboard, and dedicated support.