Original title: "Polyhedra, a cross-chain giant based on ZK technology"

Original author: Riyue Xiaochu, crypto KOL

The foundation of an industry’s development is to create more value for society, so blockchain is always moving forward around two major themes, one is the improvement of infrastructure, and the other is large-scale application. In terms of infrastructure, the public chain is the foundation of the foundation, and the public chain is also likened to the operating system of Web2. After the 2017 bull market, the industry realized the limitations of ETH's performance and started a new public chain construction journey to increase TPS and reduce GAS. EOS was the star at the time. The PPT stated that it could exceed one million TPS, but it eventually fell. . Fortunately, during the 21-year bull market, excellent public chains such as Solana, BNB Chain, Avalanche, and Fantom emerged.

Time comes to 24 years, and the vigorous development of ecological projects has given rise to different demands for public chains. The improvement of modular infrastructure makes "one Dapp, one public chain" low-cost, simple, and convenient (see my discussion on modularization for details). This will inevitably lead to a large-scale increase in the number of public chains. According to incomplete statistics, there are at least several hundred public chains in existence. In this bull market, volume growth is at least 10x higher. We use a simple math to illustrate that when the number of public chains is 10, there are 45 combinations of pairs. When the number of public chains expands 10 times to 100, there are 4950 combinations of pairs, an increase of 110 times.

So in this bull market, cross-chain demand is also increasing exponentially. And the demand for cross-chain is not only the previous asset transfer, but also includes messaging, data sharing, multi-chain deployment, liquidity sharing, etc. Polyhedra Network aims to build the next generation of Web3 interoperability and scalability infrastructure, with its core relying on advanced Zero-Knowledge Proof (ZKP) technology. By providing trustworthy minimal and efficient interoperable solutions.

Polyhedra Network enables asset transfer, messaging and data sharing across multiple Web2 and Web3 systems. To date, Polyhedra has developed and deployed several next-generation zkSNARK protocols and multiple innovative ZKP-based products, including a zkBridge that supports cross-chain asset and data interoperability, covering more than 25 blockchain networks.

Technical Features and Highlights

Polyhedra Network’s engineering team has created a A series of underlying algorithms and zero-knowledge protocols such as Libra, Virgo, deVirgo, Pianist, Marlin, Gemini, and Orion that set new standards in the industry, providing the fastest prover times, significantly reduced proof sizes, and minimal ized on-chain verification costs. These foundational technologies are at the heart of Polyhedra's efforts to improve the scalability, security, and interoperability of blockchain systems, enabling solutions to some of the most pressing challenges in digital infrastructure.

Core data

· The number of cross-chain transfers is as high as 20 million.

· 40 million proofs verified.

· Connected to more than 25 public chains.

· Has the fastest zero-knowledge proof (ZK) algorithm.

· Has the fastest consensus proof.

· Inventor of zkBridge.

· Inventor of zero-knowledge algorithms: Invented 7 algorithms in total.

· Participate in OKX activities: 141m, get 500K Polyhedra network tokens.

· Participate in Binance Web3 wallet event: get 556K, 1 million Polyhedra network tokens.

· X platform followers reached 964.3K.

· Discord platform followers reached 545K.

Products and Services

zkBridge

As the core product of Polyhedra Network, zkBridge is designed as a trustless cross-chain bridge. zkBridge uses zkSNARKs to enable the prover to effectively have the receiving chain confirm that some state transition occurred on the sender chain. It consists of a block header relay network and an update contract. Through its modular design, zkBridge implements several useful functions, including messaging, token transfers, and other computational logic that runs on state changes on different chains.

zkBridge It guarantees strong security without adding additional trust assumptions. With concise proofs, it not only guarantees correctness but also significantly reduces on-chain verification costs. It speeds workloads orders of magnitude faster than existing solutions. Provides trust-minimized and efficient cross-chain infrastructure for Layer1 and Layer2 interoperability, solving the practical challenges of connecting different blockchain networks.

zkBridge uses a zero-knowledge proof structure to verify the validity of the consensus between the two blockchains. Since the release of the Alpha version of the main network, it has facilitated more than 20 million cross-chain transactions. Covers more than 25 Layer1 and Layer2 blockchain networks.

zkLightClient

zkLightClient is a cross-chain protocol for LayerZero developed by the Polyhedra Network team. It provides a secure and efficient cross-chain infrastructure for the interoperability of Layer1 and Layer2. This technology is fully integrated with LayerZero’s messaging protocol, allowing application developers to develop cross-chain protocols using zero-knowledge proof technology through simple integrated configuration. zkLightClient has securely transferred over 4.5 million messages. LayerZero now uses zkBridge as the default decentralized verification network (DVN) for many paths.

Cross-chain messaging with the BTC chain

Cross-chain messaging with the Bitcoin chain Delivery is a new requirement in recent times. The vigorous development of the BTC ecosystem in 2023 and the emergence of BTC Layer 2 have led to a surge in cross-chain demand for BTC. However, BTC is a relatively special public chain, which requires a new solution to achieve cross-chain message transmission. zkBridge launches Bitcoin messaging protocol designed to significantly increase Bitcoin interoperability. This move aims to enable the Bitcoin network to interact with other Layer2 and Layer2.

When Bitcoin is used as the sender chain, it is fully compatible with the current zkBridge framework. zkBridge enables update contracts on the receiving chain (such as ETH) to directly verify Bitcoin's consensus, as well as verify every transaction on Bitcoin by verifying Merkle proofs. This compatibility ensures that both consensus proofs and transaction Merkle proofs on Bitcoin are fully protected via zkBridge.

If the Bitcoin chain is the receiving chain, since Bitcoin does not have smart contracts, it is incompatible with the zkBridge framework. The method adopted is to use the POS mechanism to allow verifiers to pledge the native tokens of the sending chain. If the sender chain is Ethereum, verification requires staking ETH. Authorized to write data on the Bitcoin network, using the multi-party computation (MPC) protocol to ensure consensus on the correct message being sent

Messaging with the BTC chain is already supported for Ordinals, BRC-20, and Atomics. Projects using Polyhedra include Atomics Market, Babylon, Bitmap, B2Network, Eigenlayer, and many more.

Financing situation

Polyhedra has experienced a total of 4 rounds of financing, of which

23 In February of this year, it received its first round of financing, receiving US$10 million in investment jointly led by Binance Lab and Polychain.

In April 2023, it received a 15 million Pre-A round of financing led by Polychain.

In January 2024, it received a Series A round of financing from OKX Ventures, with an undisclosed amount.

In March 24, Polyhedra Network’s valuation reached US$1 billion in the latest round of private financing, attracting investors including Polychain, Binance Labs, OKX Ventures, Investors include Animoca Brands, Hashkey and UOB Ventures.

Token System

Polyhedra’s token name is ZK, and the total amount is 1 billion. According to the public data on OKX:

· 32% are ecological incentives

· 28% are early investors and investors

· 15% for the community market and airdrops

· 15% for the foundation

· 10% for core contributors

The specific release rules have not been announced yet

However, ZK conducted an airdrop for users before going online, and if there are less than 20 users, they can Choose a token after the new mainnet goes live and receive an additional 10% compensation. ERC20 tokens can also receive an additional 10% compensation.

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