Cross‑chain dApp

1 min read

Pronunciation

[kraws-cheyn dee-app]

Analogy

Like a multi‑bank mobile app that lets you manage accounts at different banks seamlessly in one place.

Definition

A decentralized application whose backend logic and data interactions span multiple networks, enabling users to leverage multi‑chain assets and services within a single interface.

Key Points Intro

Cross‑chain dApps unify functionality and assets across networks for users.

Key Points

Unified UX: Single front end for multiple chains.

Multi‑chain contracts: Backend interacts with L1s and L2s.

Asset bridging: Integrates bridges for token transfers.

Data aggregation: Pulls on‑chain data from various networks.

Example

A portfolio dashboard dApp displays balances on , , and , and allows cross‑chain swaps via integrated bridges.

Technical Deep Dive

dApp front end uses web3modal to connect on different chains, then calls respective RPC endpoints. Backend microservices index subgraphs for each chain and merge data. Bridge SDKs handle transactions across chains.

Security Warning

Cross‑chain complexity can introduce bugs; ensure each chain integration is individually audited.

Caveat

and fee differences across chains can impact UX consistency.

Related Terms

Subgraph

Wallet Connect

Blockchain & Cryptocurrency Glossary

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