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#### 1. 研究一下 http://www.oraclize.it/
https://medium.com/coinmonks/how-to-create-a-dapp…
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Once it's ready, this provider event will notify dapps when a transaction has been cancelled or replaced:
https://eips.ethereum.org/EIPS/eip-2831
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Hi
I have a private Net in Ethereumj, in this net i deployed a smart contract, so i need from other Web System done in JSF show values processed in the smart contract.
I saw that with web3 its pos…
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## Description
In javascript there is no "window.ethereum" or "window.web3" available if only crypto wallets is enabled and metamask is not installed. Do you maybe inject a different variable? As lo…
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Create a Dice2.win a Gambling Dapp on XinFin network. And get a Bounty reward of 10,000 XDC
**What is Dice2win?**
Dice2win is an attempt to improve upon the state-of-the-art in on-chain gambling b…
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## Background
Hello everybody! My name is Javier, I am 30, and I am telecommunications engineer. I am currently learning Solidity and dApp programming through the B9lab Academy Ethereum developer c…
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With Ethereum, you can build Dapps. Why then, would you use EOS?
Update 2018-Feb-6: read https://ethresear.ch/t/against-replacing-transaction-fees-with-deposits/940/2 and https://ethresear.ch/t/ini…
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**Might be paired with an identifier spec if it makes more sense to document how they are used in the URI scheme**
Structure of this spec should include:
- Scheme syntax
- Scheme semantics
- Enc…
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# Problem
Today only indexing with TheGraph is implemented. But some builders may prefer an alternative indexer implementation.
# Solution
Implement indexing using an alternative indexer without dr…
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### Status Hackathon Submission
## Harmony - Decentralized Events
**Type:** DApp (mobile)
**Github Repo:** https://github.com/xharmony/harmony
**Description:** Harmony is a DApp for managing d…