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  • Imua
    • About
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    • Client Chain Bridges
      • Trustless Verification of Client Chain State
      • Handling Race Conditions between Imua and Client Chains
    • Client Chain Contracts
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    • restaked Proof-of-Stake (rPOS)
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  • Whitepaper (2023)
    • .pdf
  • FAQ
    • What problems is Imua solving?
    • What are the main design trade-offs that had to be made with an omnichain design?
    • Does the omnichain design imply added trust assumptions (relative to a single-chain design)?
    • What concurrency-related challenges would you face with a different design?
    • How does Imua integrate with new chains?
    • Do specific chains prove unique challenges w.r.t. integration?
    • How is the cross-chain communication is achieved?
    • What are the known attack / censorship vectors here, if any?
    • Are the restaked tokens being pooled in a centralized account?
    • Who will run the validators in the Imua network?
    • Is Imua an AVS?
    • How does Imua address the risks of overloading L1 social consensus?
    • Does the Imua queuing system raise concerns around latency?
    • What are the main benefits of an omnichain design?
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  1. Architecture

Client Chain Contracts

Client chain contracts are smart contracts deployed on token-hosting blockchains, including L1 and L2 networks. These smart contracts are exclusively controlled by a TSS account, collectively owned by Imua validators. These contracts serve as gateways for restakers to interact with the Imua system and act as secure vaults holding staked tokens.

The smart contracts on each client chain are designed such that staked tokens cannot be transferred to addresses not designated by the original restakers. This ensures a high level of security similar to that in native protocol staking since it prevents potential rug pulls, which are common in DeFi projects or bridges where tokens can be transferred to anyone, including to attackers.

There are two primary contracts present on the client chains:

  1. Vault Contract: This is where restakers deposit their tokens. The contract manages deposits and withdrawals for restakers. Most of its state change are strictly under control of the Controller contract.

  2. Controller Contract: This contract controls the Vault and operates exclusively under the directives of the Imua network. This contract is also the cross-chain portal that facilitates the communication between the client chain and the Imua network.

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Last updated 1 month ago