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Questions tagged [presale]

the sale of tokens prior to the official launch of an Initial Coin Offering (ICO)

1
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0answers
29 views

Pre-Sale receives error: Canceled - Warning! Error encountered during contract execution [execution reverted]

I have 2 contracts The first one cretes a token contract The second creates pre-sale contract Pre-sale contract created with 0.5 eth for paying for gas When trying to send 0.5 ethereum to pre-sale ...
0
votes
0answers
20 views

How many ether are still untouched from the genesis block?

Would somebody know the exact number or an estimate of the number of ether which are still left untouched since the Ethereum genesis block ? Would it be fair after close to 5 years to consider those ...
0
votes
1answer
27 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, ...
0
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1answer
43 views

Smart contract function throwing error in remix

I am writing a PreICO Smart contract. I got a code snippet which I am trying to understand. I am stuck in function buyXYZTokens function which is throwing error. Here is the code snippet: Contract ...
1
vote
1answer
119 views

Best practice in 2018 to claim Ethereum presale purchase [duplicate]

I have the presale wallet and password, but went through a number of trials and just now trying to get back on my feet. I have yet to claim my presale and could really use it to help with medical ...
1
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0answers
173 views

How to better design pre sale and sale staged smart contracts [closed]

I am planning to create a stage based smart contract, like a pre-sale contract and then first and second stage of sales. What is best idea to do? Shall we create everything in one contract or multiple ...
2
votes
1answer
253 views

Token distribution and Smart Contract [closed]

Might be this is the common question asked! , but still i have lots of confusion over here, As far as my knowledge all the tokens are released from Smart contract, so my question are : For every Pre-...
1
vote
1answer
224 views

ICO Token sale payment process

How can one start selling their coins on their custom website for ETH and Bitcoin? I was checking bunnytoken.com, they have very simple payment process script, which includes referral solution. ...
1
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0answers
446 views

How to mint tokens before crowdsale

I want to make a crowdsale with pre-ICO and ICO, so people can swap tokens directly by sending to the smart-contract. The pre-Ico should have a certain rate for the swap and the ICO should have a ...
1
vote
1answer
422 views

How to create a different contract for private and ICO?

Is it possible that the Total supply is created at the time of creation of token for Privete-sale and then create an ICO contract for the Unsold tokens to sell them on crowdsale? (i.e. It is hard to ...
0
votes
1answer
47 views

Why pre ico sites have login pages

I have seen many pre ico sites needs a login page to be created . Would like to know why is that created and where do they store the information ?
0
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1answer
870 views

Can I use money raised from Pre-ICO before start the ICO?

I was reading this article Most serious projects have some sort of pre-ICO funding to finance the marketing costs linked to the launch of an ICO. I thought this funds (Pre-ICO funds collected ) ...
1
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0answers
75 views

Will ethereum.org re-send a presale json wallet if I lost my original and never moved the coins?

Bought some ether in the presale, received a pdf receipt with my password, transaction id, and future ETH address, but I never did anything with it, never even looked at it again, until now. I ...
0
votes
1answer
180 views

Moved presale ether after the fork how do I split?

I bought ether at the presale and moved it to another address after the fork. I still have the original wallet backup, but I'm uncertian on the process to claim ETC. When I scan my Address on Ethereum ...
0
votes
2answers
284 views

sending messages to a contract using geth

I have a working system for minting tokens and transferring them as follows - > addrtoken.balanceOf(eth.accounts[0]) 33333250 > addrtoken.balanceOf(eth.accounts[1]) 50 I want to test the ...
1
vote
2answers
2k views

Minting Tokens and OnlyOwner - ERC20

I have created a contract based on a standard one to mint and I have code as follows - modifier canMint() { require(!mintingFinished); _; } /** * Function to mint tokens * @...
2
votes
2answers
318 views

ERC20 Presale Contract and Data Field

I am creating a presale for a new ERC20 token. I have seen various methods and I would like more details about the data field. Example 1. Bitjob Address: ...
4
votes
0answers
284 views

How can I use a Presale JSON file to keep my ETH long-term in cold storage and sell my ETC seperately?

I received Ether during the Pre-sale in June 2014 and received a JSON file and have the password. I have never tried to access these funds. I found out that I should have ETC & ETH due to the hard-...
5
votes
2answers
609 views

Where to find ICO contract with linear / logarithmic decrease?

I had a look at some existing crowdsale contracts: https://github.com/aragon/aragon-network-token/blob/master/contracts/AragonTokenSale.sol https://github.com/sonm-io/presale-token/blob/master/...
3
votes
1answer
955 views

Why does mist block importing accounts when a geth node is already running?

I have run into this issue. The cause is described in that thread, but not explained. If I run mist and let it launch its own node, then the Accounts>Import menu item is available. If I run geth ...
2
votes
1answer
91 views

Cannot load pre-sale Ethereum into Wallet

I purchased pre-sale Ether and stayed on the sidelines until today. I downloaded the Win64 wallet installer from GitHub and installed on Windows 10. It's running and syncing to the network. It has a ...
1
vote
0answers
88 views

Precautions before using a pre-sale address?

After the Ethereum pre-sale I've been pretty much out of the loop. Now I would like to start using my ETH but I'm not sure if it's that straightforward. I would not like to mess up and lose ETH ...
2
votes
1answer
236 views

GUI Ethereum just closes and does not import presale JSON wallet

When I try to import presale JSON wallet using the Ethereum GUI just closes (Kind of crashes) and does not import, has anyone seen this? It appears the password is good I have checked the eth address ...
4
votes
1answer
2k views

What does presale mean in Ethereum?

I have seen a lot of discussions about presale wallets, but have no idea what it means. What do the terms "presale" and "presale wallet" mean in Ethereum?
1
vote
1answer
94 views

Can I find out ethereum address?

I bought ethereum from the presale. I have a presale wallet and I do not know the password. Is there a way I can find out the address?
1
vote
1answer
305 views

Presale wallet gives zero funds

I have already asked this question but I post once again as helpdesk people at ethereum are asking to post here: After several years of waiting, I have decided to check how much ether I do have in my ...
4
votes
1answer
280 views

Need to prove quantity/date of Ether Pre-Sale purchase for tax reasons

Lucky me - I bought 10000 Ether for 5BTC in the pre-sale and forgot about them until just recently. Yahoo! However, now that I've sold some at a profit I'm going to need to prove the date and quantity ...
2
votes
1answer
472 views

Bought Ether from ethereum presale (genesis) Forgot password [duplicate]

I bought ethereum from the presale. I have the json file but unfortunately forgot the password. Is there a way I can access the wallet?
0
votes
1answer
463 views

where is the presale.wallet available to import?

I am very new to ethereum community, just started setting up ethereum in my machine hoping to mine some ether. I have downloaded and run geth.exe, created a new account. My next step according to ...
1
vote
0answers
322 views

Importing presale wallet on to Kraken

Anyone know an (easy way) to import a pre sale wallet onto Kraken? They used to have this tool but it doesn't seem to work anymore? Thanks
5
votes
1answer
452 views

What is the bkp component in a presale JSON file?

Is the "bkp" component of a presale json file a SHA3 hash of the wallet password?
1
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0answers
1k views

Possible to use Hashcat to crack Ethereum password?

I have a Ethereum presale wallet and the password i recorded for it doesn't work. I now have a list of over 200 possible passwords for it. Is it simply a matter of trying to use SHA3 in Hashcat with ...
4
votes
1answer
218 views

Error sending transaction to the First Blood crowd sale contract

I have sent ether to First Blood crowd sale but have an error message: Warning! Error encountered during contract execution [Bad jump destination] I don't know what to do, please advice me.
4
votes
1answer
400 views

What happened with the presale ether after the fork?

I have never accessed my presale ether. As I understand, a major fork occurred some time ago. I have some confusion regarding the current situation. What will happen to my ether? Do I get both ETC ...
2
votes
1answer
389 views

Pre-sale wallet and DAO hard fork

Assuming, I've never imported my pre-sale wallet from the initial ethereum crowd fund, could I simultaneously send the the contents of my wallet to an ETH address and an ETC address? I'd like to sell ...
1
vote
1answer
3k views

Is there an Ethereum wallet compatible with Mac OS X 10.7.5 or earlier?

I'm a non-techy newbie. I have a .json file relating to my presale Ether purchase which I am unable to access. I downloaded the Ethereum wallet 0-7-6 for Mac, but unfortunately I only have Mac OS X ...
1
vote
0answers
224 views

Which password does Mist require when sending from the presale wallet?

Yesterday I was able to import my presale ether into my wallet and the balance now shows in the Ethereum Wallet. However, whenever I try to send and it asks for my password, it says "wrong password". ...
3
votes
1answer
779 views

Hashes per Ether, before and after PoS

What is the mean number of embedded hashes per Ether? If my understanding is correct, the Keccak-256 hash function is a fundemental unit of computational work on the Ethereum blockchain. Therefore ...
9
votes
2answers
17k views

What was the approximate cost of 1 ETH during pre-launch (Aug 2014)

The ETH pre-launch allowed people to exchange Bitcoins for ETH at a determined value. What was this exchange rate in USD? E.g. 1 Bitcoin got you X Eth, which was worth about $Y.
4
votes
1answer
84 views

Presale tokens / Mist / password denied

My question pertains to my mist wallet and some presale tokens that I successfully imported into the wallet. Before importing the presale tokens, I successfully created the wallet, received and sent ...
3
votes
0answers
302 views

I've forget my presale password and i'm trying to recover it with pyethrecover [closed]

Can someone help me please? I'm using pyethrecover and i've got this bug when i'm trying to bruteforce with some password :
3
votes
1answer
129 views

What email address were pre-sale wallets sent from?

What was the email address that wallets from the pre-sale were sent from? This is the email that would contain the ethereum_wallet_backup.json file.
3
votes
0answers
857 views

How to access and import presale ether without the json wallet file

I purchased ether presale. I have the public key, which shows the amount, and I have a text password I created at the time of purchase. I do not have a json drop file. How do I import my wallet? I ...
6
votes
2answers
1k views

How to recover presale wallet password from mnemonics

I have the following stored in my secure password manager from the presale: A 40-character hexadecimal address A 64-character hexadecimal private key A list of 24 mnemonic words Something I called "...
4
votes
1answer
118 views

What fraction of pre-sale coins have been moved?

I am trying to estimate how many of the pre-sale coins are in circulation. What fraction of pre-sale coins have been moved?
5
votes
1answer
324 views

How many pre-sale addresses are there?

How many addresses did Ethereum have when it launched? In other words, how many pre-sale addresses are there?
10
votes
2answers
636 views

I bought ether in the presale. Is there a time limit to claim that ether?

There is no mention in the documentation about whether I have to claim ether before a particular date. Is there a time-limit on claiming ether? I've also heard that the mining algorithm will change at ...
5
votes
0answers
1k views

How to install the Python bitcoin module on windows for presale wallet import?

I've been holding Ethereum since the pre-sale. I want to continue to just hold my presale wallet because its safe as cold storage (rather than importing into my wallet). However, I want to be able to ...
18
votes
5answers
10k views

How do I import my presale wallet?

I purchased ether during the presale. Is there an easy way to import those ether and start using them?