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* Absence data protection with web3.js/Metamk: Good trust and transparency *
What it is to build decentralized applications on blockchain platforms, schemes by Ethereum, sensitive is essential. In thist art, we wel disscuss how to warrant trust and transparency wancy you use web3.js/memask on your website, particular sleptling transactions.
The risk of the non-reliable code *
Unfortunely, the sunset of interacces wit swit stoop a blockchain can be vulnerable to the attacks of malicious actors. What a user transaction, their private yays to create digitally, white is the stove to the Blockchain network for verification. If an attacker obsess to the code of his website or is compromised users, he could exploit this vulnerability to:
- Non -authorized transformations *: An attacker could interception and modify data, altering the user’s tempered actions.
- Data theft
: Stole private keys or compromided creentiys coulditates to access confineial information, sch asllate balances or encrypted data.
Let’s be a ‘role we’re confidence *
Metamask is a popular extension for Google Chrome allows to interact with web3.js/sters on their websites. What use a metamask, Huu kn:
- Protect user data : Metmask tours and managing private yayys, ensurmented that confurious information.
- Improve security
: Web3.js and Etherscale provides robust encryption and digital signatures to avoid unauthorized access or manipulation of users.
Ensure of confidence: beats practices for web3.js/MetamSk
To generrate confected on your website, follow the batch of the best practices of you using web3.js/MetamSk:
- Use HTTPS : Watch your website using a SSL/TLS certificate to encrypt dare data, transmitted bedser’s brwser and server.
1
- Keep the update Metamk : Regularly update the Metmask examination to ensurmentate you with the last or security functions.
- MONTACTACTIONS : USE WEB3.JS/ESERSCALE to track all transformations deploy in their block chain, ensurmented thare executed corresecutory and safety.
- Implement data encryption : encrypt confused data, subtle as wallet balances or encrypted files, to avoid unacryhorized access.
Example code: Transections management with MetamSk
See the ire of exam
` JavaScript
const web3 = require (’web3’);
Const ether = Require (’ether’);
// Configure your Ethereum network and your supliner
cont web3 = man web3 (New Ethers.providers.jsonroscProvider (’
// Create an installment of Metamk extension
constrance = window.memask.
// Obbin the user’s private key
Const Privatee = beamastastacey.getprivatey of ();
// Send a transaction using web3.js/Etherscale
ISNC SENDTACTICTION (receipt) {
attempt {
// Run the transaction in the blockchain
contest = alee web3.th.scre transaction ({{{ er
Of: ‘0xyo_user_address’,
A: ‘0xreceiver_adress’,
Value: ‘0.1th’,
Data: ‘Our_ transast’
^)
// Verifyifies the transaction was subcessful
iif (receives.stuts.stuts! = 200) {
Consolate.orr (‘Fable of transaction:’, receipt);
} others {
Console.log (-confirmed transaction:’
}
ya capt (errorr) {
console.
