Polkadot vs Cosmos: Which Blockchain Interoperability Platform Leads in 2026?

TLDR: Polkadot cut annual DOT issuance by 53.6% in March 2026, introducing a hard supply cap of 2.1 billion DOT. Cosmos IBC is live across 115+ networks in 2026, leading Polkadot in real-world cross-chain transaction volume. IBC Eureka launched in April 2025, enabling direct Ethereum-to-Cosmos connections without wrapping assets. Polkadot ranked first in developer commits [...]

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