Monthly Archives: November 2020

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 […]

BSC DAPP Dev Tutorial（2）- How to create a BEP20 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 and Deploy Open https://remix.ethereum.org Delete the default files, and create a new file: Token.sol Copy the Token.sol code from below repo https://github.com/mathwallet/BSC-Contracts/blob/main/Contracts/BEP20.sol You need to modify BEP20Token code based on your needs, including name, symbol, decimals, totalSupply Compile: […]

BSC DAPP Dev Tutorial（1）- BSC Smart Contract Develop Environment

BSC DAPP Dev Tutorial Series http://blog.mathwallet.org/?tag=BSCdapp First, please install the MathWallet Chrome Extension https://mathwallet.org/ In [Settings]-[Networks], open: Binance Smart Chain – Testnet Click Switch Network and select 'Binance Smart Chain – Testnet' Click + button, create a new wallet address Copy the wallet address, and you can get test token in link below: https://testnet.binance.org/faucet-smart Check […]

Solana extension wallet user guide

Download MathWallet Install Extension Wallet: https://mathwallet.org/en-us/#extension When the installation is complete, click the Extension icon in the upper right corner to enter Settings Set up password Set up Language Click Settings in the upper right corner of the extension Select language Choose English then confirm Create Solona wallet Click on the top right corner to […]

Serum DEX user guide

Download MathWallet first：https://www.mathwallet.org Switch to Solona wallet (Create new Solana Wallet operation guide) Open SerumPro Math in DApp store Choose Mathwallet in the page Click Connect wallet Select the trading pair, for example MATH/USDT Serum DEX takes the form of order book, which allows user to enter the unit price and quantity of the order based […]