DEV Community: Tokenview

How to Develop a Cryptocurrency Wallet App: A Developer's Perspective

Tokenview — Mon, 08 Apr 2024 07:48:00 +0000

Developing a cryptocurrency wallet app requires careful planning, robust security measures, and seamless user experience. As a developer, creating a cryptocurrency wallet app involves integrating blockchain technology, ensuring private key management, and providing a user-friendly interface for managing digital assets. This article outlines the key steps and considerations for developing a cryptocurrency wallet app from a developer's perspective.

Choose the Blockchain Platform

Select the blockchain platform(s) that your wallet app will support. Whether it's Bitcoin, Ethereum, Solana, Tron or other cryptocurrencies, understanding the intricacies of each blockchain is essential for proper integration.

Implement Key Security Measures

Security is paramount in cryptocurrency wallet development. Implement secure key generation, encryption, and storage mechanisms to safeguard users' private keys and ensure the integrity of their digital assets.

Integrate Blockchain APIs

Integrate with blockchain APIs to retrieve real-time transaction data, check wallet balances, and broadcast transactions to the network. Blockchain APIs provide developers with the necessary tools to interact with the underlying blockchain infrastructure. Blockchain infrastructure provider Quicknode, Etherscan, Tokenview, Alchemy, Blockchair have much APIs for wallet developers.

Design an Intuitive User Interface

Create an intuitive and aesthetically pleasing user interface that allows users to send, receive, and manage their cryptocurrency holdings with ease. Consider incorporating features such as QR code scanning for simplified transactions, NFT shows, risky wallet address hint.

Enable Multi-Currency Support

If applicable, implement support for multiple cryptocurrencies within the wallet app such as ERC-20 tokens, BRC, TRC. Users should be able to store and manage various digital assets within a single application.

Develop Backup and Recovery Mechanisms

Implement backup and recovery features to enable users to securely store and retrieve their wallet information. This may involve mnemonic phrase generation, hardware wallet integration, or other secure backup methods.

Conduct Rigorous Testing

Thoroughly test the wallet app to identify and address potential vulnerabilities, bugs, and usability issues. Security audits, code reviews, and user testing are crucial components of the testing phase.

Ensure Regulatory Compliance

Adhere to relevant regulatory requirements and best practices, especially if the wallet app involves fiat currency transactions or complies with financial regulations.

Publish and Maintain the App

Once developed and thoroughly tested, publish the cryptocurrency wallet app on relevant app stores. Continuously maintain and update the app to address security vulnerabilities, improve performance, and introduce new features.

Provide Customer Support and Education

Offer responsive customer support to address user inquiries and provide educational resources on cryptocurrency security and best practices.

By following these steps, developers can create a secure, user-friendly, and feature-rich cryptocurrency wallet app. The successful development of a cryptocurrency wallet app requires a deep understanding of blockchain technology, a focus on security, and a commitment to delivering a seamless user experience. Infura, Alchemy, Tokenview, Quicknodeare all the rick blockchain data provider to help on this, they support API from multi-blockchain networks, Bitcoin, Ethereum, Polygon, Solana, Tron, BNB Smart chain, Doge, LTC and more, do not hesitate to visit.

How To Set a Custom Node URL in MetaMask - Tokenview

Tokenview — Mon, 04 Sep 2023 14:40:51 +0000

What is MetaMask?

MetaMask is one of the essential tools for web3 development. MetaMask is a cryptocurrency wallet browser extension that connects to the Ethereum blockchain and supports other EVM (Ethereum Virtual Machine) based chains. It is one of the best wallets to interact with Decentralized Applications (dApps) and Decentralized Exchanges (DEXs). MetaMask is not limited to storing native blockchain currencies, such as ETH or BSC. It can also store ERC-20 or BEP-20 tokens. It is compatible with major browsers such as Chrome, Firefox, Brave, and Microsoft Edge.

Creating an Endpoint on Tokenview Node As a Service

You can create a free account on Tokenview Blockchain APIs platform within a few clicks. Just select a plan, get the APIKEY, choose a chain, select a network, and create your endpoint. After you've created your endpoint, copy your HTTP Provider URL:

Setting up MetaMask with Tokenview Node Service URL

If you haven't done so already, please download the MetaMask browser extension. Create an account and ensure that you keep your seed phrase secure.

Step 1: Open MetaMask, add network and select 'Add network manually'

MetaMask will open in a new tab in fullscreen mode. From here, find and the 'Add network manually' button at the bottom of the network list.

Step 2: Add the Tokenview endpoint URL

Paste your Tokenview endpoint URL in the second field that says 'New RPC URL'. Enter the “Chain ID”, which is also known as the network id (1 in this case as we are using an Ethereum Mainnet endpoint), and click on save.

Listed below are the Chain / Network IDs for various EVM based networks:

Ethereum Mainnet: 1
Ethereum Testnet Rinkeby: 4
Ethereum Testnet Kovan: 42
Ethereum Testnet Ropsten: 3
Ethereum Testnet Görli: 5
Gnosis Chain: 100
BNB Smart Chain Mainnet: 56
Polygon/Matic Mainnet: 137
Optimistic Ethereum: 10

Step 3: Successed

Now you’ll be able to see your Tokenview node under the available networks in your MetaMask wallet.

Conclusion

Now we’ve successfully added Tokenview as the custom RPC URL in the MetaMask wallet. It is always a good idea to have a custom network added to your MetaMask for faster transactions or even as a backup.

Global Public Chain Weekly Report | August 28, 2023

Tokenview — Wed, 30 Aug 2023 02:21:33 +0000

Tokenview updates the latest progress of global public chain on time every Monday, and is committed to integrating the latest project progress for global public chain lovers. Subscribe to our Medium to get the weekly report of the public chain.

1 ETH

Holesky public testnet genesis file has been generated

Holesky public testnet genesis file has been generated, and merged into main branch of the GitHub Ethereum client Holesky library. The launch date of the Holesky public testnet is Sept/15, 2023, 14:00 UTC Chain ID-17000 (zip code of Holešovice). The genesis will have 1,460,000 validators. Our biggest public network to date.

2 Shibarium

Shibarium mainnet and bridge withdrawals are fully operational

Shytoshi Kusama, the chief developer of Shiba Inu, posted that the Shibarium mainnet and bridge withdrawals are now fully operational, and users can now complete withdrawals of various assets, including ETH, Shib, Leash and WEth, within 45 minutes to 3 hours. And BONE withdrawl will take up to 7 days.

3 BNB Chain

BNB Greenfield Testnet Last Reset: Maintenance Upgrade, Bug Fixes, and New Features

BNB Greenfield is undergoing a regular maintenance upgrade for the testnet version to v0.2.4 on August 31st, between 6:00 am — 10:00 am UTC. All buckets/objects previously stored on Greenfield Testnet will be cleared and won’t be available for query anymore. All account balances will also be reset. Please note that after the reset, all tBNB on Greenfield will be cleared.

Binance Will Support the BNB Smart Chain (BEP20) Network Upgrade & Hard Fork

The BNB Smart Chain (BEP20) network upgrade and hard fork will take place at the BNB Smart Chain block height of 30,720,096, or approximately at 2023–08–10 02:00 (UTC). Deposits and withdrawals of tokens on BNB Smart Chain (BEP20) will be suspended starting from approximately 2023–08–10 01:45 (UTC).

4 USDC

USDC will launch on Polygon PoS, Base, Polkadot, NEAR, Optimism and Cosmos

According to The Block, Circle will announce that USDC plans to launch on 6 new blockchains including Polygon PoS, Base, Polkadot, NEAR, Optimism and Cosmos through the Noble network. USDC is currently available on Ethereum, Avalanche, Arbitrum, Stellar , Algorand, Tron, Flow, Solana, and Hedera.

5 Optimism

Optimism will upgrade the OP Mainnet sequencer in August 29th

Optimists: Monday, August 28th at 17:00 UTC, there will be up to five minutes of downtime on OP Mainnet, as we upgrade the sequencer deployment configuration to enable future zero downtime deployments. Five minutes of downtime is expected on the OP Mainnet.

6 Starknet

Starknet v0.12.1 is live on Mainnet

Starknet v0.12.1 is live on Mainnet. This version includes the following changes:Mempool Validation, Inclusion of Failed Transactions, Keccak builtin. As part of Starknet Quantum Leap, this upgrade focuses on optimizing transaction efficiency.

Reference
https://twitter.com/BarnabasBusa/status/1694029115664294324

https://blog.shib.io/shibariumupdatefinal/

https://www.bnbchain.org/en/blog/bnb-greenfield-testnet-last-reset-maintenance-upgrade-bug-fixes-and-new-features/

https://www.binance.com/en/support/announcement/binance-will-support-the-bnb-smart-chain-bep20-network-upgrade-hard-fork-81b4b634c80c47fea8cffd1e1dfa7998

https://www.theblock.co/post/246978/usdc-launching-on-polygon-pos-base-and-polkadot-blockchains

https://twitter.com/optimismFND/status/1694817656472248363

https://twitter.com/starknet/status/1693587791878226332