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Many of today's online services are based on proprietary software. As a result, [walled gardens have proliferated, preventing data from freely flowing through cyberspace. The goal of public blockchains is to overcome this issue. Interoperability will enable real-world use of blockchains to connect and access information from one another without sacrificing decentralization. The interconnection of blockchain networks will provide comparable advantages to a world of linked actual economies as our globe has become more globalized and people have reduced protectionism.