Wise bypasses SWIFT by obtaining "direct connections" to a country's domestic banking system, a license rarely given to non-banks. This process is arduous, taking five years in the UK, creating a significant barrier to entry for competitors.

While its technology is advanced, Waymo's most significant competitive advantage is its head start in securing regulatory permits to operate and charge for rides. Competitors like Amazon's Zoox are far behind, not yet able to take paid passengers. This regulatory moat creates a powerful first-mover advantage in lucrative urban markets.

In regulated industries like healthcare, the years required to build partnerships, navigate compliance, and establish trust create a significant moat. This defensibility protects specialized application-layer startups from being overrun by large, horizontal model providers who cannot easily replicate these deep, industry-specific relationships.

While it operates a technology platform, the company's most durable competitive advantage comes from its long-standing integration with regulatory bodies like the SEC and FINRA. This compliance acceptance creates a massive barrier to entry that potential competitors cannot easily replicate with technology alone.

While low-capex businesses are easy to start, businesses requiring significant capital for equipment or technology create a financial barrier to entry. This reduces competition, allowing for more pricing power and long-term defensibility once you've achieved success.

While patents are important, a pharmaceutical giant's most durable competitive advantage is its ability to navigate complex global regulatory systems. This 'regulatory know-how' is a massive barrier to entry that startups cannot easily replicate, forcing them into acquisition by incumbents.

The housing industry is resistant to startup disruption due to immense "activation energy." This includes hyper-local regulations, fragmented distribution, cyclical capital needs, and a complex web of legacy players. Overcoming this barrier requires decades of effort, creating a powerful moat for incumbents.

Fears of AI disrupting payment incumbents are overstated. These companies are protected by significant moats, including complex regulatory compliance (KYC/AML), decades of proprietary data inaccessible to LLMs, strong network effects, and essential direct sales channels to small businesses.

Beyond technology, Booking's CEO highlights the complex global regulatory framework for travel as a major hurdle. For startups wanting to act as a merchant of record, navigating these rules is a costly and complex challenge that incumbents with scale are better equipped to handle, creating a non-obvious moat.