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Results tagged with contract-development
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user 429
Questions regarding the development of smart contracts
7
votes
1
answer
1k
views
Is there a dead man switch functionality in Ethereum? Say I died and I wanted to send all my...
If I died one day, would there be some type of function where I can send all my coins to another account I trusted? How would this be done? Say we had an oracle that just monitored public death record …
- 4,810
0
votes
2
answers
134
views
Creating a contract that pays out 1 Ether every 1000 blocks until I pay out 10 Ether. What h...
I want to create a contract asset that pays out 1 Ether every 1000 blocks, but only pay out up to 10 Ethers. I want to pay the asset holder. So that means the asset can be transferred to someone else …
- 4,810
1
vote
1
answer
174
views
Crowd funding smart contract where it returns funds to users if funding amount isn't met?
Is there a smart contract where you can create a crowd funding campaign. Say I wanted to raise 1000 ETH within 30 days or X number of blocks. If the 1000 eth goal isn't reached, it will return all the …
- 4,810
0
votes
1
answer
77
views
Service that can accept an Ethereum private key and then forward funds in the future?
Is there a smart contract or service that lets me input my Ethereum private key or any crypto private key for that matter and have the smart contract sweep or forward a portion of funds to another add …
- 4,810
6
votes
1
answer
761
views
Can you do a POST to an external webform using a Ethereum smart contract?
Can you do POST or submit a form from an external site using a smart contract? And how can this be done? Are there any examples of live code out there?
- 4,810
2
votes
0
answers
155
views
Is there a comparison of Ethereum smart contracts to other platforms that also have smart co...
Doing some research in the smart contracts arena. But is there an in depth comparisons with the pros/cons of each implementation of smart contracts in other blockchains as compared to Ethereum smart c …
- 4,810
3
votes
0
answers
483
views
Ethereum and child chains like NXT/Ardor?
Doing some research on how we can implement this type of system with ethereum smart contracts.
Currently the upcoming Nxt/Ardor system implements a child chain system where the main chain deals with …
- 4,810
1
vote
1
answer
259
views
What is needed to make a contract that monitors an address and then send some % of the funds...
I'm looking to make a smart contract that does the following:
If account X receives Y amount of Eth or tokens, it will send 50% of those coins back to the address that sent it.
How can this be done? …
- 4,810
0
votes
2
answers
575
views
Can one fork a decentralized exchange smart contract since the code is out in the open?
Since ethdelta and idex are decentralized exchanges, meaning there is no "central" server. The smart contract code is in the ethereum blockchain. Can one just copy this smart contract and launch a sim …
- 4,810
2
votes
3
answers
2k
views
List of successfully running smart contract applications that solve a real world problem?
I'm still diving into smart contracts and learning the way it works, but what are some successfully running smart contracts applications that solve a real world problem? Is there a list of these proje …
- 4,810
2
votes
1
answer
4k
views
How can I view all the tokens and contracts associated with an ethereum address in Javascrip...
Is there an example js code that uses web3.js to query the Ethereum blockchain to see all the tokens and contracts associated with an Ethereum address? I'm looking to make an ethereum wallet and want …
- 4,810
0
votes
2
answers
300
views
Decentralized dapp music player using smart contracts on ethereum?
Has anyone made a decentralized music player on ethereum using smart contracts? Say if I wanted to upload a mp3 file to IFPS and everytime someone plays the midi file the smart contract will deduct .0 …
- 4,810
8
votes
2
answers
1k
views
What is the most active Ethereum chatroom for devs? Slack? Telegram? IRC?
Where does most of the ethereum developers hang out? Slack? Telegram? IRC? I'm looking to join a chatroom where everyone can help others while developing.
- 4,810
1
vote
1
answer
352
views
How does the exploit in FOMO3D work?
With the recent release of the FOMO3D exploit in its smart contract, how does the exploit work?
- 4,810
0
votes
2
answers
74
views
Any coding games made for learning how to build out ethereum smart contracts?
I recently saw this for learning how to code smart contracts on EOS: https://battles.eos.io but was wondering is there something similar in Ethereum where one can play a game to learn smart contract d …
- 4,810