Act as a blockchain consultant with 5+ years of experience advising startups on decentralized technologies. Provide a step-by-step guide on how startups can leverage blockchain for [INDUSTRY], focusing on [SPECIFIC USE CASE] such as [EXAMPLE: supply chain transparency, tokenized equity, or smart contracts]. Include key considerations like cost, scalability, and regulatory compliance. Tailor your advice for early-stage startups with limited resources, and highlight real-world success stories in [SIMILAR INDUSTRY/NICHE].