Bitcoin and Dogecoin cloud mining contracts have delivered record returns in November 2025, fueled by heightened profitability and the growing mainstream adoption of altcoins. The global cloud mining market has surged by 340% since 2023, reflecting increased interest and investment in this sector. Platforms like GBC Mining are capitalizing on this trend by offering a range of contracts across cryptocurrencies such as Bitcoin, Dogecoin, and XRP. GBC Mining highlights its verified infrastructure, absence of hidden fees, and instant settlements as key features. Contract options start at $20, with potential daily profits reaching up to $1,600 for premium plans.