According to BitMEX Research, the reminder 'Not your keys, not your coins' highlights the trading risk associated with storing cryptocurrencies like BTC and ETH on centralized exchanges. Traders are advised to prioritize self-custody solutions, such as hardware wallets, to mitigate the risk of losing funds in the event of exchange hacks or insolvency (Source: BitMEX Research Twitter, June 17, 2025). This guidance is particularly relevant for active traders seeking to safeguard their crypto assets against third-party vulnerabilities.