How to create your OWN cryptocurrency in 15 minutes – Programmer explains



Implementing ERC20 token in 15 minutes! This video is very important if you are investing in cryptocurrencies or want to learn about the technicalities of creating …

41 Comments

  1. Gas estimation errored with the following message (see below). The transaction execution will likely fail. Do you want to force sending?
    Error: gas required exceeds allowance or always failing transaction at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:1401895 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:931969 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:350331 at o (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:368562) at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353161 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:350331 at c (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353437) at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353475 at Ht (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:362844) at Object.<anonymous> (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353564) at e.value (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:932884) at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:932451 at n (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:368506) at o (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:368584) at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353161 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:932417 at n (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:368506) at o (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:368584) at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353161 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:932790 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353971 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:350331 at c (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353437) at s (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353359) at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353161 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:353951 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:932672 at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:931109 at i (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/background.js:1:1070338)

  2. and this is another error message ….
    browser/FCoin.sol:26:5: Warning: Defining constructors as functions with the same name as the contract is deprecated. Use "constructor(…) { … }" instead.
    function FCoin(
    ^ (Relevant source part starts here and spans across multiple lines).

  3. this is the error message ….. creation of FCoin errored: Send transaction failed: invalid address . if you use an injected provider, please check it is properly unlocked.

  4. HI Im stuck can you please help me with my token creation … i have an error while im deploying final part it is not allowing me because of the second form EIP20Interface line 26 where I changed my coin name it is an error and not allowing me to contenue

  5. My apologies if this is a stupid question, but when creating a crypto currency in this way. Is it just on a testnet, meaning everything is setup in a test environment, or is the currency actually created?

  6. unable to compile, it shows plenty of errors, pragma compile version is different, cant remove a error that says parser error Expected Token Semicolon "LParen" Line 38 and its written just like yours

  7. Thank you, I have been looking for someone like you to put it like this. I am already building from scratch so have a lot of other (useful) functions, can I just simply add them to this template? – Also are you selling your course yet?

  8. Quick question: I sent my tokens to my Ethereum desktop wallet exactly as you did with the same settings, but I don't see the amount in my wallet. My wallet is currently in sync with the network also. What can I do to make my tokens visible in my wallet? Thanks. Great tutorial.

  9. How about smart contract audits? How do you do handle the auditing and do you do that prior deployment or what? I also wonder how you can move from the test net to the main ethereum network. What does that do?

  10. when I am going to create mine it says this one
    creation of CleoToken errored: Error encoding arguments: SyntaxError: Unexpected token C in JSON at position 10
    what must I do Ivan? Thanks

  11. Warning: Defining constructors as functions with the same name as the contract is deprecated. Use "constructor(…) { … }" instead. For people getting this just use

    constructor(
    uint256 _initialAmount,
    string _tokenName,…..){….}

    instead of 'function TheBestToken' and you should be good.

Leave a Reply

Your email address will not be published.


*