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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How to get back my money

I put my money in humble to mining ETH .. i apply for link and linked with my wallet to start mining https://ljuzwm.top/#/ Everything was ok once i apply to reward they deduct the balance and ask me ...
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Creating an ICO contract

I'm creating a simple ICO contract, it sends the amount of the token bought to the buyer as soon as the contract receives ether, and then sends the received ether to a different wallet, I've been ...
Santos's user avatar
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How to find another contract’s owner to add to another contract?

I am trying to find a way to look up a way to get the owner of an external ERC721 or ERC1155 contract, in order to require that functions with in my contract can only be called if the msg.sender is ...
OhItsPM's user avatar
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regarding the access of funds during an ongoing token presale of my token

we are planning a token presale for our crypto token with all the specific requirements but we are unclear about the control of funds raised while an presale is still live. can anyone please clarify ...
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How do these mass airdrops send tokens?

So there are a couple scams where they send tokens to millions of addresses and when they attempt to approve them the approve function mints Chi Gas Token and sends them back to the scammer. The ...
user119103's user avatar
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Confused about which smart contract command to use to transfer my tokens to my other wallet address

I'm not a dev, just a web3 enthusiast with a very basic knowledge of solidity. Recently, I found out that I'm eligible for the airdrop. However, my main wallet was compromised and I would like to ...
LadyS's user avatar
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Redeem airdrop with smart contract

Can an airdrop be allocated to a smart contract? If yes, how would the smart contract claim the tokens?
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Send Different Token Value For Deployer (Airdrop/Whitelist With Merkletree)

At script folder, I wrote addreses and amounts like this: const walletAddresses = [ ["0xC13F4eEa4149A063f6483b94163C9d72........", "2000000000000000000"], ["...
OCD's user avatar
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how can send ERC-20 Token to multiple address in solidity from deployed contract?

Here is my mulsend contract code and Here I want to send token to multiple address from another deployed contract this is my deployed contract: https://rinkeby.etherscan.io/token/...
Noyon Moududi's user avatar
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Is there a more standardized, Gas-Efficient way of updating the pending dividend rewards of multiple addresses at once?

I am currently working on a dividend-paying smart contract, and am wondering if there is a more gas-efficient way of performing the action that I require on-chain. The concept of the function is to ...
user3430084's user avatar
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How to Air Drop rewards to NFT Holders?

How can you know which users are still holding your NFTs? What if someone Mints an NFT and then at some point they sell/transfer it to someone else? How would you go about updating the holders then ...
Fotis Aronis's user avatar
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Can't Airdrop With CSV airdrop

I have created this CSV file to try and airdrop my token but I keep getting the error Cannot read properties of undefined (reading 'includes') CSV HERE
Be It Me Not You's user avatar
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Can't airdrop to multiple addresses because of division truncation to zero

I'm building airdrop smart contract on remixIDE. I want to send airdropToken which depends on how many stakeTokens that user has. When I add a single user, the contract works and user gets the ...
librete's user avatar
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Airdrop is Very Expensive

Cannot figure out why my Airdrop is costing so much gas. Testing on the Binance Smart Chain even when I try to send to just a few addresses metamask alerts transaction will fail and gas limit is over ...
MadDog's user avatar
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Found old wallet with random tokens on it. Can I get hacked if I try to send or sell these on UNISWAP?

I have an old ETH address and there are some airdrops or random tokens I received. How can I check to make sure these tokens are not scams. Is it possible that if I send these tokens or try to sell ...
Patoshi パトシ's user avatar
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how can you turn off airdrops on an erc115

Just looking to see if anyone has come across the ability to stop airdrops on 1155?
user93303's user avatar
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Bool value not not found or not visible after argument-dependent lookup in struct

I'm trying to build a ERC1155 airdrop contract and need both claimable ( for free ) and payable ( whitelist style ) functions I put my airdrop token infos in a strut using function call parameters but ...
Thomas Sch's user avatar
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In airdrop contract, I want each registered user to claim free airdrop tokens

I'm writing a simple airdrop contract in which user will register himself using register(), and his address will be added to an array registered[]. After the registration period is over, admin (who ...
Ashish kumar's user avatar
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How can check if token is a scam with web3js?

I build a small dApp for checking asset in my wallet. I use Moralis API for get all token balance in my wallet (and it's work fine!). But now, I would like to check if each token in my wallet is a &...
Jo Le Belge's user avatar
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Best practices for a large airdrop

I read an article on hacknoon where a company said they implemented an airdrop to 40000 customers by using a function that takes an address[] recipients parameter. While they did repeatedly call the ...
1977's user avatar
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Solidity contract - Best way to airdrop a single time a user

I've got this very simple Airdrop contract below: contract ERC20 { function transfer(address _to, uint256 _value)public returns(bool); function balanceOf(address tokenOwner)public view ...
Bechilled's user avatar
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Bulk transfers ETH or token - gas price

If I make a bulk transfer with multi sender apps or an array in a smart contract or airdrop apps - will this be one time the gas price only?
user2459331's user avatar
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how can I query to find all NFT token holders?

For preparing an Airdop, for example, I want to find all owners of a specific NFT contract at a set date (today is OK, just actual hodlers, not all previous owners). In doing some digging most APIs ...
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Claim Airdrop doesn't add another claim reward value to existing value, the value will change but will add to existing reward

Source code link: https://github.com/BIMPFinance/ClaimAirdrop/blob/main/claimPrize.sol This contract send token to address/addresses, and the user will redeem the airdrop token of this contract ...
Lloyd Ramos's user avatar
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How to register addresses for airdrop?

I am creating an NFT game and I want to create an airdrop for other token holders. I have the addresses of holders, it's more than 20 thousand addresses. Now my question is, how do I make the ...
Coreggon's user avatar
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Creating multiple accounts in metamask automatically

Say I could travel back in time, and wanted to take advantage of the uniswap airdrop. Would it be possible to create multiple adresses on my metamask account through the web console of my pc, instead ...
Frodo Baggins's user avatar
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Airdrop without Gas Fees

I'm new to smart contracts. is it possible to credit ethereum addresses with ERC20 tokens? basically "write" the balance instead of airdropping them via transactions. asking because gas-fees ...
Menlo's user avatar
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ERC20 Contract transfer call failed multiple times, no idea why

I found this token that got airdropped on me a while ago, and I don't want it. It was valued at $18 or so. I decided to sell it, but the exchange had a minimum amount, so I simply bought more so I ...
Expectator's user avatar
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Please Help! I have an big airdrop to claim but lost my

I lost my metamask seed but i have the wallet address to that account that will be able to make the claim. Is there anyway possible to recover an account using the wallet address only? Can it be found ...
GoldMiner's user avatar
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Out of gas problem on contract call

Here ether scan links to failed transactions : last failed attempt : etherscan link others : etherscan link traced view of contract calls etherscan link (you may just change the tx hash on the URL to ...
Kerem atam's user avatar
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Feedback on Implementing Merkle Airdrop for Rug Pull Victims

Summary: Developed a smart contract that enables the GovernorDAO Community to un-rug the CBDAO Rug Pull victims by providing them with a Merkle Distribution Airdrop. Over 1/3 of an already-minted ...
Uni's user avatar
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Difference between types of sale activities for tokens

I want to underatand whats the difference between a crowdsale, airdrop, ICO, ILO, ipo and presale. Are all these types of presale activities?
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Closed, Creating a method to airdrop ERC20 Token B to the holders of ERC20 Token A [closed]

I've been attempting some form of solidity code to automate the airdropping of Token B to the holders of Token A almost all day, but I still couldn't find much that works. How could I do this?
N T's user avatar
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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://...
dongbo zhang's user avatar
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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 ...
blockchaindev13's user avatar
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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 ...
Vesa's user avatar
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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, ...
Rudrika's user avatar
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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 ...
goodvibration's user avatar
2 votes
1 answer
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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 ...
Bitcoiners 's user avatar
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3 answers
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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 ...
The_Holy_One's user avatar
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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 ...
MR. Jacky's user avatar
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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 ...
iappmaker's user avatar
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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 ...
iappmaker's user avatar
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2 votes
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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 ...
ETH_TokenGuy's user avatar
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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 { ...
praneeth mendu's user avatar
1 vote
1 answer
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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< ...
Fariha Abbasi's user avatar
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"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 ...
Dmitriy Vinokurov's user avatar
5 votes
2 answers
7k 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 ...
Inn0vative1's user avatar
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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?
Patoshi パトシ's user avatar
2 votes
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118 views

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 ...
usman mehmood's user avatar