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ZetaChain
The Blockchain for Cross-Chain Apps.
What is ZetaChain?
Welcome to ZetaChain
Welcome to ZetaChain, the only decentralized blockchain and smart contract platform built for omnichain interoperability. ZetaChain supports a truly fluid, multi-chain crypto ecosystem, where users and developers can use and appreciate the benefits of any blockchain.
ZetaChain is the foundational, public blockchain that enables omnichain, generic smart contracts and messaging between any blockchain. It solves the problems of “cross-chain” and “multi-chain” and aims to open the crypto and global financial ecosystem to anyone. ZetaChain envisions and supports a truly fluid, multi-chain crypto ecosystem, where users and developers can move between and appreciate the benefits of any blockchain: payments, DeFi, liquidity, games, art, social graphs, performance, security, privacy, and so on.
Key features
Decentralized and public
ZetaChain is a decentralized and public blockchain network. It is built on Cosmos SDK and Tendermint Consensus. While many cross-chain solutions like bridges have varying, often centralized trust models that have a track record for being susceptible to exploits and hacks, ZetaChain is a Proof-of-Stake blockchain, where all transactions and activity on the platform -- even cross-chain transactions -- are fully transparent, verifiable, and function in a trust-minimized manner.
Hyper-connected nodes
ZetaChain's nodes have observers that monitor transactions on every connected chain. Through ZetaChain's TSS architecture, the network can sign and verify transactions on every connected chain as a wallet can. By being able to read and write to connected chains in a secure, decentralized manner, these hyper-connected nodes provide a seamless omnichain environment for developers to build novel and powerful cross-chain applications on top of.
Omnichain smart contracts
Smart contracts can be deployed natively on ZetaChain that can read/write to connected chains. ZetaChain is the only public blockchain to support smart contracts with this capability, enabling a new paradigm of app development.
Omnichain message passing
A developer can pass messages (data + value) between chains and layers with simple function calls. Through message passing, a dApp developer can build powerful cross-chain applications by simply implementing a few functions within their existing smart contracts.
Managed external assets
ZetaChain's network and dApps built on top of ZetaChain can manage assets and vaults of external connected chains. This allows assets on any chain to be managed just as a smart contract on a single chain can manage assets on its respective chain. A dApp on ZetaChain can thus orchestrate and bring smart contract logic to any connected chain. This property applies to all chains, including non-smart-contract chains, like Bitcoin and Dogecoin.
ZETA
ZetaChain's coin ZETA is used to pay the gas fees for ZetaChain smart contracts and additionally used to secure the PoS ZetaChain blockchain by bonding/staking/slashing. ZETA is also at the core of ZetaChain's cross-chain transfer, swaps, message delivery, and security. ZETA is one of the first multi-chain coins that is natively issued across multiple chains and layers.
Users can directly move the ZETA coin from any chain A to chain B. The mechanism is a one way peg (i.e. burning X amount on chain A and then minting X amount on chain B).
We use our own coin ZETA to represent value cross-chain because:
- Unlike the more common two-way pegging, there is no wrapping and therefore no multiple representation of the same underlying asset.
- The only (native) value that can go cross-chain is via the ZETA coin, which reduces attack surface substantially, resulting in an easier to understand audit and therefore higher security.
For example, we can check total supply at the contract mint site.
- Users can pay ZETA for the cross-chain service that ZetaChain provides, and for gas on the destination chain, in a single step/bundle.
Start building with ZetaChain
At a high level, ZetaChain is a Proof of Stake (PoS) blockchain developed using the Cosmos SDK and Tendermint Core consensus engine. As a result, ZetaChain enjoys fast block time and instant finality.
ZetaChain hosts an Ethereum Virtual Machine (EVM) compatible execution layer called zEVM. In addition to supporting all EVM features and standard interactions (such as contract creation, contract interaction, and contract composition), zEVM's distinguishing characteristics include:
- The ability for contracts on zEVM to be called from external chains
- The capacity for contracts on zEVM to generate outbound transactions on external chains.
These two unique features enable zEVM to function as a general-purpose programmable platform, supporting cross-chain transactions that can atomically modify states across different chains in a single step.
When developing on ZetaChain, you create zEVM contracts. While zEVM contracts can be any standard Solidity contract, to fully utilize ZetaChain's capabilities, they should adhere to specific interfaces. These interfaces, unique to ZetaChain, enable interaction with externally connected blockchains.
Contracts that that run on ZetaChain and satisfy its interfaces are called omnichain smart contracts.
Welcome to ZetaChain, the only decentralized blockchain and smart contract platform built for omnichain interoperability. ZetaChain supports a truly fluid, multi-chain crypto ecosystem, where users and developers can use and appreciate the benefits of any blockchain.
ZetaChain is the foundational, public blockchain that enables omnichain, generic smart contracts and messaging between any blockchain. It solves the problems of “cross-chain” and “multi-chain” and aims to open the crypto and global financial ecosystem to anyone. ZetaChain envisions and supports a truly fluid, multi-chain crypto ecosystem, where users and developers can move between and appreciate the benefits of any blockchain: payments, DeFi, liquidity, games, art, social graphs, performance, security, privacy, and so on.
Key features
Decentralized and public
ZetaChain is a decentralized and public blockchain network. It is built on Cosmos SDK and Tendermint Consensus. While many cross-chain solutions like bridges have varying, often centralized trust models that have a track record for being susceptible to exploits and hacks, ZetaChain is a Proof-of-Stake blockchain, where all transactions and activity on the platform -- even cross-chain transactions -- are fully transparent, verifiable, and function in a trust-minimized manner.
Hyper-connected nodes
ZetaChain's nodes have observers that monitor transactions on every connected chain. Through ZetaChain's TSS architecture, the network can sign and verify transactions on every connected chain as a wallet can. By being able to read and write to connected chains in a secure, decentralized manner, these hyper-connected nodes provide a seamless omnichain environment for developers to build novel and powerful cross-chain applications on top of.
Omnichain smart contracts
Smart contracts can be deployed natively on ZetaChain that can read/write to connected chains. ZetaChain is the only public blockchain to support smart contracts with this capability, enabling a new paradigm of app development.
Omnichain message passing
A developer can pass messages (data + value) between chains and layers with simple function calls. Through message passing, a dApp developer can build powerful cross-chain applications by simply implementing a few functions within their existing smart contracts.
Managed external assets
ZetaChain's network and dApps built on top of ZetaChain can manage assets and vaults of external connected chains. This allows assets on any chain to be managed just as a smart contract on a single chain can manage assets on its respective chain. A dApp on ZetaChain can thus orchestrate and bring smart contract logic to any connected chain. This property applies to all chains, including non-smart-contract chains, like Bitcoin and Dogecoin.
ZETA
ZetaChain's coin ZETA is used to pay the gas fees for ZetaChain smart contracts and additionally used to secure the PoS ZetaChain blockchain by bonding/staking/slashing. ZETA is also at the core of ZetaChain's cross-chain transfer, swaps, message delivery, and security. ZETA is one of the first multi-chain coins that is natively issued across multiple chains and layers.
Users can directly move the ZETA coin from any chain A to chain B. The mechanism is a one way peg (i.e. burning X amount on chain A and then minting X amount on chain B).
We use our own coin ZETA to represent value cross-chain because:
- Unlike the more common two-way pegging, there is no wrapping and therefore no multiple representation of the same underlying asset.
- The only (native) value that can go cross-chain is via the ZETA coin, which reduces attack surface substantially, resulting in an easier to understand audit and therefore higher security.
For example, we can check total supply at the contract mint site.
- Users can pay ZETA for the cross-chain service that ZetaChain provides, and for gas on the destination chain, in a single step/bundle.
Start building with ZetaChain
At a high level, ZetaChain is a Proof of Stake (PoS) blockchain developed using the Cosmos SDK and Tendermint Core consensus engine. As a result, ZetaChain enjoys fast block time and instant finality.
ZetaChain hosts an Ethereum Virtual Machine (EVM) compatible execution layer called zEVM. In addition to supporting all EVM features and standard interactions (such as contract creation, contract interaction, and contract composition), zEVM's distinguishing characteristics include:
- The ability for contracts on zEVM to be called from external chains
- The capacity for contracts on zEVM to generate outbound transactions on external chains.
These two unique features enable zEVM to function as a general-purpose programmable platform, supporting cross-chain transactions that can atomically modify states across different chains in a single step.
When developing on ZetaChain, you create zEVM contracts. While zEVM contracts can be any standard Solidity contract, to fully utilize ZetaChain's capabilities, they should adhere to specific interfaces. These interfaces, unique to ZetaChain, enable interaction with externally connected blockchains.
Contracts that that run on ZetaChain and satisfy its interfaces are called omnichain smart contracts.
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FAQ
What is ZetaChain, in simple terms?
ZetaChain is both an L1 blockchain and a smart contract platform with built-in connectivity to all blockchains. It is the only public blockchain with smart contracts that can manage assets, data, & liquidity on any chain, even Bitcoin.
How does ZetaChain work?
You can think of ZetaChain as not only an L1 blockchain, but also a functional layer that connects all other blockchains.
What goes on behind the scenes:
- Nodes: Our network nodes observe events (e.g., sending a payment) on external chains, reach consensus on them, and sign off to any connected chain.
- Omnichain smart contracts: Our omnichain smart contracts read these events from and process them out to external chains. These smart contracts are a single source of truth that maintain the state of assets and data across all connected chains.
- Chain-agnostic message passing: Existing smart contracts send data and value across chains and layers with a simple function call.
What goes on behind the scenes:
- Nodes: Our network nodes observe events (e.g., sending a payment) on external chains, reach consensus on them, and sign off to any connected chain.
- Omnichain smart contracts: Our omnichain smart contracts read these events from and process them out to external chains. These smart contracts are a single source of truth that maintain the state of assets and data across all connected chains.
- Chain-agnostic message passing: Existing smart contracts send data and value across chains and layers with a simple function call.
How secure is ZetaChain?
ZetaChain uses a simpler and more robust trust model, where only our network is trusted to deliver data/value, vs. a third-party. On our decentralized proof-of-stake network, no single node has knowledge of any private key. ZetaChain can sign and hold assets natively, and funds at rest are never at risk. Since we use ZETA as an intermediary token in the process of sending assets, attack surface is minimized, drastically reducing security risk for users.
What's unique about ZetaChain?
ZetaChain is truly chain-agnostic and can connect all blockchains. It even supports non-smart contract chains like Bitcoin and Dogecoin, giving these chains smart contract capabilities that were never before possible.
No other blockchain enables fully interoperable smart contracts and chain-agnostic odApps. Because of this, ZetaChain has the unique capability of seamlessly and reliably enabling countless use cases across industries.
No other blockchain enables fully interoperable smart contracts and chain-agnostic odApps. Because of this, ZetaChain has the unique capability of seamlessly and reliably enabling countless use cases across industries.
What does the future look like with ZetaChain?
We see the future of web3 as a connected one, where developers can build and leverage the power of many networks seamlessly, and users will no longer have to worry about switching or bridging between them. ZetaChain will be an invisible force powering a seamless user experience for all. No more complex jargon and frustrating UX for users - they’ll have one place to access all of their assets and data, and can roam the crypto world smoothly and safely.
Going forward, we see ZetaChain powering an entire ecosystem of odApps across industries: Social, Fashion, Defi - the sky is the limit! This could look like: gamers being able to access their accounts and in-game items from anywhere in the crypto ecosystem, owning and transferring NFTs to and from chains, or sending and receiving payments to and from any wallet, regardless of chain. The possibilities are endless.
Going forward, we see ZetaChain powering an entire ecosystem of odApps across industries: Social, Fashion, Defi - the sky is the limit! This could look like: gamers being able to access their accounts and in-game items from anywhere in the crypto ecosystem, owning and transferring NFTs to and from chains, or sending and receiving payments to and from any wallet, regardless of chain. The possibilities are endless.
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