Note: ChainX 2.0 and ChainX 1.0 are two different blockchains. You need to export the private key (which must be a private key) of the 1.0 wallet and then import it into the 2.0 wallet as following steps: Install the Mathwallet extension wallet ChainX 2.0 Browser extension User Guide Import the wallet Click “+” , […]
Author Archives: mathmath
MathWallet extension wallet supports Ethereum Layer2: Optimistic Ethereum
About Optimism Ethereum Optimism Ethereum would likely be one of the earliest options available in mainnet , and has already attracted support from the two leading project such as Synthetix and Uniswap and wallet service provider such as Coinbase Wallet. Optimistim launched Optimistic Virtual Machine(OVM), a fully functional execution environment that is fully compatible with […]
Proposal about how to connect DApp with Injected Wallet in Solana
There are several requirements: sol-wallet-adapter can be used for both web wallet (ex: sollet.io) and injected wallet (chrome extension & App) so that DApp do not need to change any code for web wallet or injected wallet. Injected wallet should not block the web wallet, so that user can select the wallet preferred. If only […]
MathWallet extension wallet already supports Ethereum 2.0 beacon chain KeyPair
Ethereum 2.0 beacon chain phase0 stage is open, you need a beacon chain KeyPair while staking, you can use the Launchpad provide a command-line tool to generate (https://launchpad.ethereum.org/generate-keys), the operation is quite difficult, which is not suitable for entry-level users. Now you can use MathWallet extension wallet to generate KeyPair for the Ethereum 2.0 beacon […]
AMA with dYdX: Layer 2 solutions and the future of DeFi
MathWallet hosted AMA in the official Telegram group, and introduced dYdX Exchange which is a decentralized cryptocurrency exchange, built on the Ethereum network. CEO&Founder of dYdX Antonio Juliano shared his insights about the evolution of DEX and why dYdX could be the go-to DEX for the market. Host: Yaxin, global marketing director of MathWallet Guest: Antonio Juliano, […]
Solana Wallet Import Path Support
New MathWallet version has supported selection of Path when import, details:
MathWallet Open Source the Substrate web wallet
The wallet support all Substrate 2.0 based blockchain, can connect to both PolkadotJS extension and MathWallet extension. It is a simple web wallet focus on assets management. View balance and transfer. Show transaction recrods. Switch between different chains including localhost. Support multi-languages and multi-currencies. The open source code can be found at: https://github.com/mathwallet/math-substrate-web-wallet If you'd […]
How to cancel account allowance approval in Binance Smart Chain?
Download MathWallet first：https://www.mathwallet.org What is allowance approval? To simplify the smart contract, most DeFi dapp will initial BEP20 token allowance approval so that the smart contract can transfer the BEP20 token without approval every time. What is the risk of allowance approval? Because most of the allowance amount is set to unlimited, if the contract has security risk […]
SerumSwap User Guide
Download MathWallet first：https://www.mathwallet.org Switch to Solona wallet (Create new Solana Wallet operation guide) Then open DApp store – SerumSwap Math Click Connect Wallet ，and connect with MathWallet After selecting the input currency/output currency and entering the amount, click Swap to complete the transaction Provide liquidity Click Pool and select trading pair. After the value of upper/lower token […]
BSC DAPP Dev Tutorial（3）- How to create a BSC NFT Token
BSC DAPP Dev Tutorial Serie http://blog.mathwallet.org/?tag=BSCdapp Develop Environment Please check the BSC DAPP Dev Tutorial（1） http://blog.mathwallet.org/?p=2357 Compile Contract Open https://remix.ethereum.org Delete the default files, and create a new file: NFT.sol Copy the Token.sol code from below repo https://github.com/mathwallet/BSC-Contracts/blob/main/Contracts/NFT.sol You need to modify NFTToken code based on your needs For example, you want to create a […]