Questions tagged [dapps]
Questions about applications and projects on Ethereum: a decentralized application (dapp) does not require any servers or backends and runs independent on a distributed blockchain.
1,214 questions
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1 answer
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Is this KYC verification flow secure and gas-efficient for token presale?
I'm building a token presale application with KYC verification using Next.js (to deploy on Vercel) and integrating with a third-party KYC provider (SumSub). I want to validate if my architecture is ...
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how do you provide the proof-of-ownership described in "decentralized Dropbox contract"?
I'm reading the "Decentralized File Storage" section of the whitepaper: the contract would pick a random index in the Merkle tree (using the previous block hash, accessible from contract ...
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ENS Wrapping 0f underlying function of transaction
I'm exploring the idea of wrapping the underlying transaction function in my dApp with ENS resolution to allow to users to interact using ENS names instead of raw Ethereum addresses. Essentially, when ...
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How do I request more Sepolia for testnet (hardhat) smart contract deployment? [duplicate]
I am trying to code a smart contract for an NFT, I want to deploy it and test it on Sepolia, but I do not have enough test ETH and I am not able to request more because I have no transaction history, ...
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Help in implementing uniswap universal router in my contract
Basically I am trying to make a platform where tokens will be put to battle and the loser token will be swapped for ETH via universal router and then ETH (after taking some platform fees) will be used ...
1 vote
0 answers
111 views
eth_sendTransaction is not working for appKitModal from the reown appkit
working with reown appkit in flutter, I am connecting my metamask wallet but when trying to send the request for eth_sendtransaction nothing happens, i have tokens in my wallet!! import 'package:...
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Websocket Reconnect
When developing my dApp, I've ran into issue of websocket disconnections. Currently, app is based on ethers.rs . As I've seen, RetryClientBuilder is available only on HTTP client. So, I've wanted to ...
1 vote
1 answer
77 views
How to securely interact with a smart contract using Web3.js?
I'm currently developing a decentralized application (dApp) on the Ethereum blockchain, and I'm using Web3.js to interact with my deployed smart contract. Here's the setup I have so far: My smart ...