Core Insights - Steak 'n Shake, a 91-year-old burger chain, is significantly advancing its adoption of cryptocurrency by accepting Bitcoin payments globally since May 2025 and has recently added $10 million worth of Bitcoin to its balance sheet in 2026 [1][2] Group 1: Bitcoin Adoption and Financial Impact - The company reported a nearly 50% reduction in transaction fees by accepting Bitcoin payments through the Lightning Network, compared to traditional credit card processing [3][4] - Steak 'n Shake experienced a 15% increase in same-store sales attributed to its crypto-friendly customer base [3] Group 2: Expansion of Bitcoin Initiatives - In October 2025, the company launched a limited-edition Bitcoin Steakburger and introduced a rewards program in collaboration with Fold Holdings, allowing customers to earn Bitcoin rewards [5][6] - The promotion for the Bitcoin Steakburger enables customers to earn $5 in Bitcoin through the Fold App, which is available at approximately 400 U.S. locations [6]