Questions tagged [altcoin]
The altcoin tag has no usage guidance.
28 questions
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Where can I find info for how to create a Coin/Token?
I'm planning on creating a new Coin/Token. Most probably a Token.
I know there are some repositories on GitHub to create tokens based on ERC20. And there is also platforms like CointTool.app to create ...
- 137
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What are the drawbacks of using a Testnet to deploy a smart contract when I am not worried about security or decentralisation?
I am looking to create a basic ERC 20 token and share it with some people at Christmas time to represent a share of ownership in a dog. I am not concerned about security as this is not going to be ...
- 103
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Developing staking coin
I want to make a coin which can stake on Ethereum most of the functionality is done but I want to see some reference to see that if I'm missing anything. I can't find anything direct on google. Can ...
- 56
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What is the equivalent of ERC-20 tokens on the Cardano blockchain? [closed]
Ethereum, with its first mover advantage, is the basis for hundreds of ERC-20 tokens that rely on the Ethereum blockchain. Right now, virtually all altcoins listed on decentralized exchanges like ...
- 1,568
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Are Ether gas fees higher than Cardano fees?
When trading ETH for altcoins on decentralized exchanges, fees right now can be around $60-150$ per trade.
A tutorial on Cardano (ADA) smart contracts shows that they will have zero fees (for smart ...
- 1,568
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Should I make separate ERC20 wallets for each token?
When I create an Ethereum wallet on my hardware wallet (Ledger Nano), or a web wallet (Metamask), is it possible to mix UNI token and ETH together in that same single wallet address? Or must a ...
- 1,568
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How to identify whether a coin or token runs on Ethereum?
Hundreds of coins and tokens are listed on coinmarketcap.com, but how can you tell which ones are Ethereum-based or Ethereum-dependent? Hundreds of them obviously are. Is it only through one's own ...
- 1,568
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Is there a way to use My BAT coins which I moved to Coinomi Ethereum wallet By mistake?
I didn't understand that Coinomi Ethereum wallet doesn't support BAT coins and I transfered my coin into that account.
Is There a way to use my coins? or they are lost for good?
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How to find the coin/token type of crypto payer in Ethereum blockchain?
I'm new in Ethereum based crypto concepts. I would like to know how can I differ the incomming crypto amounts based on their orginal token type?
Imagine I have an address on Ethereum blockchain. ...
- 327
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Service for selling ERC20 Token directly for fiat?
So currently our ERC20 token is trading on several DEX's. There is quite some volume but some potentially interested people have given us feedback on the process being a little bit too much for them. (...
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Clarification about Dogethereum
Can someone explain me the Dogethereum project?
I mean, is it a token managed by a smart contract (through a bridge) or is it a full independent blockchain whose code is based on that of Ethereum, ...
- 385
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Usdt Omni questions [closed]
1 what is the transaction fee to sending usdt Omni version?
2 can I use Omni api to check the usdt I received ?any php script useful?
3 can I also use the Omni api to send usdt automatically? Any ...
- 1,155
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Can I close an ethereum smart contract?
If I create a smart contract and coin, can I for example some day close the contract and these coins are useless or can not be used for example?
Is it possible or not?
- 111
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created a token and the supply is lower than i need
I just want to create a supply of 70 billions but i have 70 millions.
Code
pragma solidity ^0.4.4;
contract Token {
/// @return total amount of tokens
function totalSupply() constant ...
- 31
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Trying to send 295 NGC from my ether wallet to hitbit and getting the following error message
Insufficient funds. The account you tried to send transaction from does not have enough funds. Required 467680000000000 and got: 0.
- 11
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Other cryptorurrency use in smart contracts
Is it possible to use other cryptocurrency than Ether (for example, Bitcoin, Litecoin etc.) within Ethereum smart contracts? I can imagine this will not really be compatible except for other currency ...
- 133
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Notifying a smart contract of payments on other blockchains
Suppose I'm running an ICO and accepting other coins, in addition to ether. Whenever somebody sends me her bitcoins, I need to update her token balance.
Question: how do I make my smart contract "...
- 730
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altcoin investment management in ethereum ICO
I have observed that these days ethereum ICOs are also allowing payment using some cryptocurrencies (bitcoin, litecoin etc.) except ether. They ask to signup from user, create a unique altcoin address ...
- 3,545
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How can I get circulating supply for crypto currency?
I am looking for an API, where I can get the circulating supply for all crypto currencies?
For now, I found this: https://altcoinmarketcap.com/api.
The problem is that if the site go down , I can not ...
- 11
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Do users of ERC20 coins need to hold Ether?
Suppose there exists Fancycoin, an ERC20 altcoin which has some functionality implemented by the EVM. It does some nontrivial things that take up gas.
According to my understanding, I can receive ...
- 419
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482
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What's the relationship between Ethereum and Filecoin?
I read on a few websites that Filecoin will "run" on Ethereum. Is that still the plan for Filecoin? If so, what does this mean in practice?
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Are there any cryptocurrencies built by modifying ethereum code, like there are many alt-coins based on bitcoin code?
Is it legal to build a separate blockchain with our own coins/tokens and miner-code to mine those coins/tokens (not a private one) based on ethereum open-source code ?
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Can 'your own crypto-currency' (created in the Ethereum Ecosystem) be mined as a standalone crypto-currency?
As I understand it (please correct me if I'm wrong) a typical Litecoin derived alt coin has its own blockchain and can be mined entirely separately from any other crypto-currency. Some alt coin miners ...
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How to enable mining of my crypto currency?
I have made my own cryptocurrency. And I am thinking about rewarding the miner who mines the transaction related to my contract. Thus, I am thinking about adding balanceOf[block.coinbase] += 1; at the ...
- 491
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Ethereum vs rootstock [duplicate]
How does ethereum compare to rootstock? Except obviously that rootstock uses bitcoins exclusively.
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Is ethereum based on bitcoin?
There are many discussions about so called altcoins. Is Ethereum an alternative coin? Is Ethereum even a coin? (This is a canonical question to gether answers and resources on that subject.)
Is ...
- 33k
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Is there any Bitcoin-backed token?
Is it possible to trade BTC and other altcoins on Ethereum's blockchain? If so, how?
- 3,177
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Which competing technologies are similar to Ethereum?
Ethereum is widely known for its smart contract system, but which other competing technologies are also out there that does something similar. Just like in the early days of Bitcoin, many clone coins ...
- 4,810