EOS is finally here! As the second largest DAPP platform after Ethereum, EOS integration was the natural next choice for Wanchain cross chain integration.
The wEOS token is now available for cross chain transactions on the Wanchain testnet! You can now manage your native EOS account including CPU, NET, and RAM, directly through the Wanchain wallet, and can transact with cross-chain wEOS tokens on the Wanchain testnet through the Wan Wallet’s cross chain interface.
As the third major public blockchain integration with Wanchain, EOS is a big step forward for the team. The EOS integration marks the connection of one the largest and most vibrant blockchain communities in the world after Ethereum and Bitcoin. We welcome the EOS community to try out the Wanchain wallet and explore both its EOS based functions as well as the wEOS cross-chain implementation on the Wanchain blockchain itself.
Note: The new version of the Wanchain Desktop Light Wallet currently only works on the Wanchain test network. Please do not transfer mainnet tokens to this new version of the wallet.
After opening the wallet, please switch the wallet network from the Wanchain mainnet to the Wanchain testnet.
Beta Wallet Download: https://github.com/wanchain/wan-wallet-desktop/releases
Users first need to create a new Wanchain address in the light wallet, then create an EOS account through the EOS Jungle Testnet website, and finally link the EOS account to the Wanchain light wallet.
On the main EOS page you can view an overview of all you different EOS key pairs and accounts, as well as a summary of all the EOS and resources available in each account. At the bottom of the main page you can access the transaction history.
On the transaction history page of the wallet you can view information about both normal EOS token and resource transactions
On the resource management page, you have full control over management of your EOS resources including RAM, CPU, and NET. You can stake or unstake NET and buy or sell RAM.
The account creation page allows for the creation of new EOS accounts. These accounts may be used in the Wanchain wallet, or exported to other EOS wallets.
On the transaction page you are able to send EOS from your selected account to the specified recipient account along with an optional memo field.
On the import account page you are able to import additional EOS accounts.
In the settings interface, users can enable (or hide) WRC20 and ERC20 tokens to display them on the wallet homepage.
The new ‘Network’ tab insides the settings menu allows for easy network diagnostics so users can understand more about the status of the iWan RPC server and the networks it connects with.
The new version of the Wanchain desktop light wallet supports cross-chain transfers of multiple currencies, including BTC, ETH, and now EOS, as well as ERC20 and EOS based tokens.
Making EOS cross chain transactions is easy, and follows the exact same process as ETH and BTC cross chain transactions:
After a successful cross chain transaction you can view your wEOS in the menu on the left.
Previous implementation of Wanchain’s cross-chain mechanism used MPC (Multi-Party Computation) technology to generate signatures. The Storeman Group is composed of multiple groups of Storeman Agents and their MPC node. Storeman Agents monitor and sync data on the blockchain, and generates pieces of signatures with cross-chained data using their MPC node. MPC nodes interact with each other over a P2P network, reaching signature consensus, and eventually generate a signature, which includes smart contract transactions and cross-chain data, and then add data to the blockchain, completing the cross-chain transaction. The current signature algorithm used by Wanchain’s cross-chain mechanism is ECDSA, but since the signature algorithm of varies from blockchain to blockchain, this mechanism requires MPC nodes to support both signature algorithms of Wanchain and the cross-chained blockchain.
Cross-chain with EOS introduces a Layer 2 signature mechanism, using Schnorr multi-party signatures. The Layer 2 signature mechanism moves the multi-party signature verification process on the blockchain, using smart contracts to perform multi-party verification. The MPC nodes only need to sign the cross-chain data using the Schnorr signature algorithm, then any Storeman Agent can pack this signature into data of a smart contract transaction, sign it and broadcast it to the blockchain. HTLC (Hash Time Locked Contracts) will verify the Layer 2 signature within the smart contract by verifying the smart contract with the Schnorr signature algorithm, thus accomplishing cross-chain data verification
Compared to ECDSA, the Schnorr signature algorithm is more efficient in terms of both computation and network interaction. It also gives more flexibility by extending the range of values of the multi-party signature’s threshold. The Layer 2 signature mechanism allows reaching consensus using only signature data, without need of support for various signature algorithms of different blockchains, thus drastically improved the versatility of Multi-Party Computation.
Current MPC nodes need to support various signature algorithms of different blockchains that are being cross-chained. With support of Schnorr signatures by Bitcoin Cash, and Bitcoin being expected to support Schnorr signatures in the near future too, it will be adopted by more and more blockchains. Using Schnorr as a signature algorithm of MPC nodes will greatly improve its versatility. With the modularization of cross-chain MPC nodes, and active authorization of data signatures for individual Storeman Agents, a multi-party signature solution is built upon the Schnorr signature algorithm. Modularized MPC nodes support a cross-chain platform, it can also work seamlessly with other DAPPs that need multi-party signatures. Community members and developers can perform multi-party signatures with the MPC node, it can be paired with smart contracts on Wanchain which supports signature verification using Schnorr algorithms, and it also allows users to build their own smart contracts to perform consensus verification, thus fulfilling the need for multi-party signatures in Dapps.
Complying with the BIP-0044 standard, we can combine a blockchain’s Hex ID and account address, encode them and use the encoded data as a unique identifier of cross-chain smart contracts registered on Wanchain, thus allowing Wanchain to realize HTLC cross-chain integration with all blockchains. By separating the data access layer’s smart contracts from the business logic layer’s, the business logic layer becomes more upgradable, making the cross-chain platform more flexible and versatile, significantly reducing the development effort required for new cross-chain integrations in the future.
With the current cross-chain technology, cross-chained blockchains and Wanchain both have Storeman Group’s locked accounts, and cross-chained asset will be locked in these accounts. With the new iteration of cross-chain technology, the Storeman Group is only responsible for multi-party signatures of cross-chained data, cross-chained assets will be locked inside HTLC smart contracts, and smart contracts controls the funds using business logic, making cross-chained funds safer.
EOS is just the first of many future cross chain integrations in the works for Wanchain! We are looking forward to at least two new major public chain integrations in 2020 along with several batches of new ERC20 and EOS based tokens.
Stay tuned for the Mainnet release of the EOS cross chain integration very soon!
A big thank you to the Wanchain community for your continued support and attention.
Wanchain is the infrastructure connecting the decentralized financial world. Wanchain’s live cross-blockchain solution is EVM-based, includes optional private transactions, and provides a decentralized, permissionless, and secure approach for interoperability. Wanchain has employees globally with teams in Beijing (China), Austin (USA), Kuala Lumpur (Malaysia), and Madrid (Spain).
EOS Cross-Chain Integration Is Live on the Wanchain Testnet! was originally published in Wanchain on Medium, where people are continuing the conversation by highlighting and responding to this story.
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