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arXiv · 2603.06388

Comparative Analysis of Cross-Chain Token Standards

Fatemeh Heidari Soureshjani·Jan Gorzny
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Abstract

Cross-chain token standards enable fungible tokens that exist across multiple blockchains with a unified total supply model. This paper presents a comprehensive comparative analysis of five leading cross-chain token standards and frameworks: the xERC20 standard (implementing ERC-7281), the Omnichain Fungible Token (OFT) standard, the Native Token Transfers (NTT) framework, the Cross-Chain Token (CCT) standard, and the SuperchainERC20 standard (implementing ERC-7802). We examine each standard's distinguishing properties and technical design, including architecture, message-passing mechanisms, interoperability scope, chain compatibility, and security features. Our analysis reveals that while all these standards share the goal of seamless cross-chain fungibility, they differ significantly in implementation approach, trust model, and target ecosystem.

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Fatemeh Heidari Soureshjani, Jan Gorzny. 2026-03-06. Comparative Analysis of Cross-Chain Token Standards. https://arxiv.org/abs/2603.06388

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