# \#contribute

**URL:** https://forum.algorand.co/tag/contribute/21.md

[Latest](https://forum.algorand.co/latest.md) · [Categories](https://forum.algorand.co/categories.md) · [Tags](https://forum.algorand.co/tags.md)

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## [How Blockchain Helps in Supply Chain?](https://forum.algorand.co/t/how-blockchain-helps-in-supply-chain/8156)

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**Author:** [@hardinscott](https://forum.algorand.co/u/hardinscott)\
**Replies:** 0\
**Last updated:** [November 3, 2022, 6:42am UTC](https://forum.algorand.co/t/how-blockchain-helps-in-supply-chain/8156 "2022-11-03T06:42:07Z")

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Blockchain as a service enables businesses to conduct transactions directly and without the involvement of a third party, increasing the efficiency of global supply chains. Additionally, it makes it easier for financial …

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## [Building an offline ussd algorand wallet](https://forum.algorand.co/t/building-an-offline-ussd-algorand-wallet/3751)

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**Author:** [@Celestino\_127](https://forum.algorand.co/u/Celestino_127)\
**Replies:** 18\
**Last updated:** [July 30, 2022, 3:57am UTC](https://forum.algorand.co/t/building-an-offline-ussd-algorand-wallet/3751 "2022-07-30T03:57:56Z")

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Dear Algonauts, My name is Celestino, I am on Algorand trying to build a couple of applications. I hail from Nairobi, Kenya in East Africa. One of the application’s requirements is that it is able to work offline, and s…

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## [Error from the data field](https://forum.algorand.co/t/error-from-the-data-field/1698)

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**Author:** [@ddev](https://forum.algorand.co/u/ddev)\
**Replies:** 13\
**Last updated:** [May 28, 2020, 7:33pm UTC](https://forum.algorand.co/t/error-from-the-data-field/1698 "2020-05-28T19:33:29Z")

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I am getting arror from terminal that says : “built-in functions not subscriptable”. If I’m passing in these arguments in the data field, must they all come in order or order not matter? data = { “sender”: my\_addres…

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## [Algorand Developer Docs Now Open](https://forum.algorand.co/t/algorand-developer-docs-now-open/1674)

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**Author:** [@liz](https://forum.algorand.co/u/liz)\
**Replies:** 0\
**Last updated:** [May 20, 2020, 5:24pm UTC](https://forum.algorand.co/t/algorand-developer-docs-now-open/1674 "2020-05-20T17:24:25Z")

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We recently opened up our Developer Documentation repository. Read the Contributing Guide and check out the related article on the Dev Portal.