Castle Opens Bitcoin Savings Stack to Individual Users With Flexible Dividend Conversion

Miami-based bitcoin fintech Castle announced on September 8 that it is opening its automated bitcoin financial stack to individual users for the first time, bringing its 12% annual yield product to personal accounts alongside a category-first feature: allowing customers to receive dividend income in bitcoin at any ratio they choose. The yield comes from STRC, Strategy's perpetual preferred stock, which Castle added earlier this year and currently pays a 12% annual dividend on a semi-monthly schedule. Holders can take 100% of that payout in cash, 100% in bitcoin, or anything in between, according to a Tuesday statement. Most Castle customers land in the middle, the company said, covering operating expenses with cash while the remainder compounds into bitcoin automatically at every payout. Until now, Castle served business entities exclusively—restaurants, gyms, churches, accounting firms, e-commerce shops, auto dealers, SaaS companies, real estate, and non-profits among them. The push into personal accounts came from those same customers. Co-founder and CTO João Almeida said, "Investors have long faced a choice between earning steady yield and holding bitcoin. Castle eliminates that trade-off," adding that by enabling a portion of dividend income to be automatically converted into bitcoin, customers get both cash flow and long-term upside. The broader pitch is consolidation: Castle puts operating cash, fixed income, and bitcoin accumulation on one platform, cutting out the shuffle between a bank, an onramp, and a brokerage. The system is built automation-first: users define a strategy once and the platform executes it. Castle was founded by Cole and Almeida and is backed by Boost VC and Winklevoss Capital. BTC was trading down 0.11% following the news, while STRC gained 0.2%.
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