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Questions tagged [airdrop]

An airdrop is a distribution of a token or coin, usually for free, to numerous wallet addresses. Airdrops are primarily implemented as a way of gaining attention and new followers, resulting in a larger user-base and a wider disbursement of coins.

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39 views

Airdrop generated token to multi address by contract failed

Below is my operation steps: I create a token 0x260c4b1cd063599949b530454d22081b94c170ef whose owner is 0xAbA5862c54254750b2EFe8BEB72f528DAF73547F You can check this token's code by https://...
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Ethereum - Exporting Accounts/Balances from full node

I have a Ethereum full node that I will be using to take a snapshot for an airdrop for a project I am working on. The node is running and syncing. The issue currently is that there doesn't seem to ...
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1answer
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Is it likely to receive more token airdrops to one of the original Ethereum addresses from the crowdsale?

Is it likely to receive more token airdrops to one of the original Ethereum addresses from the crowdsale? Hi there, I participated in the original Ethereum crowdsale and I used to store a certain ...
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1answer
29 views

What does this following entity exactly means in this PolyMath contract?

Here I've added code snippet which is I'm learning right now. The following terms/ entities/ variable are not understandable why exactly it means and why it is used. - Founder, Advisor, Bonus1/2/3, ...
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Will 'x.send(amount)' revert if 'x' is a contract with a fallback function which reverts?

I know that x.transfer(amount) reverts if either one of the following two scenarios takes place: There is not enough ether in the calling contract, i.e., amount > address(this).balance Variable x ...
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1answer
50 views

Burn the rest of the token after airdrop is complete

I have started to develop blockchain and learn solidity. I tried making a smart contract with the 200M supply, the creator only held 50M of the total supply and the rest was in the smart contract for ...
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3answers
130 views

Which ways of distribution of Tokens are being used beside ICO/STO?

Assume, I've created my own ERC-20 Token and published it to the Ethereum Blockchain. By doing so I also got access to all of the initially created tokens. If I'd like to distribute them, the only ...
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1answer
52 views

Supply amount exceed total supply! Why the quantity supply shown 1.00 E+59

the quantity amount over the total supply, shown 1E +59 Airdrop solidity code maybe got something problem, does someone had idea?? Can't check for token Holder, "Sorry, We Are Unable To Generate The ...
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46 views

How to save and retrieve the investors address in a crowdsale contract

I am writing a ICO code which should have the following functionalities To save the address of every investor and To retrieve all the investors address and the amount invested Question What is the ...
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1answer
52 views

Token transfer is not working

I am trying to transfer a token from a token contract. the control reaches till the point where I have the transfer statement later it fails. I do not understand why it is failing. I made sure the ...
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2answers
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Any quick, easy ways to convert ERC-20 tokens?

Are there any quick ways to convert my Airdrop ERC-20 tokens from various old ETH wallets to ETH/BTC...? Looks like I've got a few hundred $ kicking around in old Airdrop tokens. I've seen a few ...
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Is there a more elegant way to do an aggressive multi-send?

I understand there are many approaches to do multisend but for me timing is a priority and I do not want to stop the transaction if a address.send fails. function multiSend() internal isAdmin { ...
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84 views

What should be optimal gas limit and gas price for 80 addresses airdrop?

This is my airdrop function: mapping (address => bool) public airdrops; function airdropTokens(address[] _recipient, uint256[] _tokens) public onlyOwner{ uint airdropped; for(uint256 i = 0; i< ...
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116 views

“Error: gas required exceeds allowance or always failing transaction” for simple AirDropper contract

I try to use simple AirDrop contract taken from https://github.com/omisego/airdrop/blob/master/contracts/Airdropper.sol - https://gist.github.com/Gim6626/083d556e0a41da5172de0c49ffd64577 . It ...
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439 views

ERC20 transfer reverts when called from one smart contract

I have an ERC20 token MyToken which seems to be working fine. I have another smart contract AirDrop, that is supposed to distribute MyToken. The sendTokens() method takes an array of addresses, and an ...
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0answers
124 views

Is http://zrx.plus a legit site to claim my 0x exchange tokens? [closed]

Is http://zrx.plus/ a legit site to claim my 0x coins? What are some precautions to have before claiming my air drop?
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Gas Estimation Failed for Airdrop for sending Tokens to Multiple Addresses using Remix

I have deployed a Crowdsale contract and now I need to send my Tokens to a list of addresses using remix and injected web3. I am using below code for Airdrop but when I send tokens to multiple ...
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1answer
176 views

How to send multiple ERC20 tokens

There are about 2k ethereum addresses I'm supposed to send my ERC20 token to. Doing this manually is a no no. I've searched to and fro to no but most of the tutorials are not detailed enough. So can ...
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1answer
245 views

Solidity airdrop exiting with REVERT opcode

I work on solidity airdrop contract. I tested the contract in ropsten testnet https://ropsten.etherscan.io/address/0xc91cc586a0f4b08df677b0b0ef3e1e96cea9a1b2#tokentxns Our goal is working multisend ...
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Who has access to ethereum 0x0000000000000000000000000000000000000000 address?

Who own ethereum 0x0000000000000000000000000000000000000000 address? I have received some 0Chain token from this address. I know this is a genesis address but who can access it?
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Do I need different ethereum adresses for every airdrop?

I want to register in some airdrops. I need to type same ethereum address in all airdrops or I need to create new account in metamask so I have different ethereum address for every airdrop ?
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207 views

Airdrop Gas Considerations

Let's say I want to airdrop various amounts of an ERC20 token to 10,000 different wallets. How/Why is a smart contract that handles the airdrop in batches (as described here) is cheaper in gas than ...
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1answer
468 views

Thoughts about implementing masternodes in a ERC20 Token

I am developing a cryptocurrency on top of ethereum blockchain that will have some sort of rewarding features for the large hodlers of the coin. I know two ways of doing that: Airdrop - like Pundi X ...
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3answers
193 views

how to implement an airdrop function inside a smart contract

I have a Erc20 token X and an Smart Contract A Smart Contract A contains 1000 X Tokens. How can an User get an defined amount of X Tokens from this Smart Contract? (something like an Airdrop) So ...
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117 views

Airdrop function executing but balances not updating

I created the following code for token generation and airdrop. The token generation is working. I am able to execute the Drop() function (and got confirmations of contract execution) but the token ...
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2answers
116 views

Airdrop token code not working

I have this code to send a multi-transaction of token in a short airdrop pragma solidity ^0.4.18; contract ERC20 { function transfer(address _recipient, uint256 _value) public returns (bool ...
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1answer
79 views

Spoon vs fork vs airdrop

Can someone explain the exact differences between the three? I'm most familiar with the fork, where the rules of generating blocks change creating a fork where miners can choose to follow the old ...
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3answers
1k views

HOW TO AIRDROP TOKENS SUCCESSFULLY

Hi guys quick and simple question.... i have the script for airdropping tokens, all i need is to know what and how to input these value on the drop section of remix script:token,recipient,values. ...
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1answer
176 views

airdrop functionality

what is the functionality of use of "Airdrop" in smart contract, have seen many where result pop-up "adding airdrop in already deployed smart contract" as far as my knowledge once smart contract is ...
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1answer
106 views

my solidity airdrop contract don't works

I works in a last 3 days on solidity airdrop smart contract , i tried it on rinkeby but don't work. i try several time but fail and i dont know why. Here my last fail TX A total of 86 steps found. ...
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1answer
1k views

What is a Erc20 (UBT) token I received in my wallet according to EtherScan?

I look in my EtherScan and it says that 5 days ago and 10 in value I received a token called Erc20(UBT) and I click on it, it's a Universal Bonus Token that came from an address = 0x00000000000... ...
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545 views

Script to Airdrop ERC-20 token [duplicate]

I've created a token on testnet out of curiosity. Token was created I'm able to transfer token to other testnet wallet I created. I'm interest to run an airdrop to all of this testnet wallet but I'm ...
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1answer
829 views

Parsing Ethereum Blockchain into SQL

We're looking to do an airdrop to all Ethereum wallets with a balance of .1 ETH or greater, but are having a hard time capturing the balances of every wallet in a quick fashion. We're trying to use ...
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1answer
436 views

Airdrop cost optimization

I am planning an airdrop of an ERC20 mintable token created through a crowdsale contract based on Open Zeppelin. Now what I am wondering, is what would be the cost effective way of adding an airdrop ...
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2answers
487 views

Do we have an API for airdrop

I am creating an news app which will show the ICO and Airdrop details. Is there is any API for Airdrop news ?
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1answer
44 views

Incorrect Values for total supply/distributed amount

I am working on releasing a token on Eth and have been tinkering with some code to allow the token to be claimed via people sending 0 eth to the contract address. So far I have managed to implement ...
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2answers
906 views

Distribute token to multiple address not working

I have this smart contract to send tokens to multiple addresses: pragma solidity ^0.4.18; contract ERC20 { function transfer(address _recipient, uint256 _value) public returns (bool success); } ...
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206 views

Airdrop with ERC20 Token [duplicate]

What I’m trying to determine is if we create a new ERC20 token and group to distribute 10,000 wallet addresses as part of an airdrop campaign when the token is launched, can we avoid paying gas for ...
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2answers
1k views

best practice for airdrops and gas usage

I tried to write an airdrop contract which takes a list of recipients and a list of balances and then can be commanded to airdrop all at once. With code below I can launch a single transaction able to ...
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2answers
1k views

The most cost effective way to perform an Airdrop of tokens

I am doing a project where I create a token and try to airdrop it to as many people as possible. The challenge is to figure out the most cost-effective way to do so. I had two options: Create a "...
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3answers
2k views

Can the total supply of a token be increased after deployment?

Non-developer here. I have just read Pundi X's blog post about their proposed forthcoming token split and I am curious about how they could implement this: https://medium.com/pundix/rc-request-for-...
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1answer
944 views

How to call & use ERC20 airdrop smartcontract

I'm using remix solidity browser compiler. I deployed this code for an AirDrop smart contract: https://pastebin.com/kzYxmEab I used the same address to create/deploy the Airdrop contract as was used ...
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1answer
2k views

Adding Airdrop functionality to an already deployed erc20 smart contract [duplicate]

How can you add airdrop functionality to an already deployed smart contract on the mist wallet?
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1k views

Why MetaMask always asking high gas price? which one can i use alternative to metamask for token distribution?

While i am distributing tokens i am using a special contract to airdrop the tokens to multiple addresses at a time but metamask is demanding high gas prices which costs me huge am always ...
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How to send tokens from an existing contract to multiple people (will reward with $20 in eth) [duplicate]

EDIT: This question is not a duplicate. I am asking for someone to walk me through the entire process of distributing my token to multiple individuals. I am entirely new to coding and as such have ...
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1answer
2k views

Airdropping ERC20 Tokens to multiple addresses in a single transaction

done , wrong question. better to use this contract ERC20 { function transfer(address _recipient, uint256 _value) public returns (bool success); } contract Airdrop { function drop(ERC20 token, ...
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Unable to check Airdropped Tokens

I used Mist Wallet (Rinkeby Network) to try this. Have created a contract same as given here. For the sake of quick understanding, am pasting it below. I created this contract from the same owner ...