Polkadot and Cosmos, two innovative blockchain protocols, share a common end goal but take distinct and fascinating paths to achieve it. Both protocols enable communication between different state machines through an interface, showcasing their unique and forward-thinking design.
The creation of Polkadot and Cosmos was driven by the recognition that the future of blockchain will require multiple interconnected chains, emphasizing the importance of interoperability over isolation.
Polkadot vs. Cosmos: Sharded Model vs. Horizontal Scalability
First, let’s look at how each protocol achieves scalability, starting with Polkadot. Polkadot uses a sharded model, with each shard having an abstract state transition function (STF). It uses Web Assembly (WASM) as a meta protocol. Shards on Polkadot are known as parachains. Whenever a parachain makes a state transition, it must submit a block, along with a state proof. This state proof is verified by Polkadot validators and then fina
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