---
title: "Discussion on \"How I made a gasless NFT drop with Javascript only\" | Hashnode"
description: "Discussion on \"How I made a gasless NFT drop with Javascript only\". I made a project in which users can connect their crypto wallet to the Dapp. The users can then claim an NFT from a collection without paying gas"
url: "https://hashnode.com/posts/how-i-made-a-gasless-nft-drop-with-javascript-only/61f7213400273a7c1776c6f1"
---

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Discussion

# [How I made a gasless NFT drop with Javascript only](https://blog.commercebuilders.academy/how-i-made-a-gasless-nft-drop-with-javascript-only?utm_source=hashnode&utm_medium=feed)

I made a project in which users can connect their crypto wallet to the Dapp. The users can then claim an NFT from a collection without paying gas

Jan 30, 2022 · 5 min read · blog.commercebuilders.academy  
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-   [#thirdweb](https://hashnode.com/tag/thirdweb)
-   [#thirdwebhackathon](https://hashnode.com/tag/thirdwebhackathon)
-   [#web3](https://hashnode.com/tag/web3)

## Written by

[Azim Ahmed](https://hashnode.com/@ximxim)

@ximxim

  
[View profile](https://hashnode.com/@ximxim)

## Responses 1

Markdown supported · ⌘↵ to post

[Matimu Ignatius](https://hashnode.com/@Matimu)

[Mar 9, 2022](https://hashnode.com/posts/how-i-made-a-gasless-nft-drop-with-javascript-only/61f7213400273a7c1776c6f1/comment/6228a1e233120280724e95c0)

Hello [Azim Ahmed](https://hashnode.com/@ximxim) Great article...

How do I resolve the error below?

Unhandled Runtime Error TypeError: Cannot read properties of undefined (reading 'toHexString')

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1646830042327/jxxCfnSAx.png)

[Azim Ahmed](https://hashnode.com/@ximxim)

[Mar 9, 2022](https://hashnode.com/posts/how-i-made-a-gasless-nft-drop-with-javascript-only/61f7213400273a7c1776c6f1/comment/6228a1e233120280724e95c0#reply-6228dc7067104e8316e416ef)

[Matimu Ignatius](https://hashnode.com/@Matimu) Ah next for some reason doesn't let you put variable names without a prepend NEXT\_PUBLIC. So you should probably rename your env variable to NEXT\_PUBLIC\_PRIVATE\_KEY in all the places.

[Matimu Ignatius](https://hashnode.com/@Matimu)

[Mar 9, 2022](https://hashnode.com/posts/how-i-made-a-gasless-nft-drop-with-javascript-only/61f7213400273a7c1776c6f1/comment/6228a1e233120280724e95c0#reply-6228e3ff33120280724ea17d)

[Azim Ahmed](https://hashnode.com/@ximxim) I renamed crossing my fingers it works but new server error.

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1646846711132/5eyNBheiJ.png)

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1646846767133/njTLaSTbz.png)

[Matimu Ignatius](https://hashnode.com/@Matimu)

[Mar 9, 2022](https://hashnode.com/posts/how-i-made-a-gasless-nft-drop-with-javascript-only/61f7213400273a7c1776c6f1/comment/6228a1e233120280724e95c0#reply-6228ee0e019447953617d897)

[Azim Ahmed](https://hashnode.com/@ximxim) I attempted

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1646849370008/6Y9YnmOBd.png)

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1646849408164/s_tSxnE4z.png)

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1646849485172/vxOdy-t2E6.png)

Resluted to this error

![image.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1646849544688/s-N_GQxnA.png)