# Avoid contract upgrades with a JSON text field

**URL:** <https://forum.canton.network/t/avoid-contract-upgrades-with-a-json-text-field/6818>\
**Category:** App Development\
**Tags:** daml\
**Created:** [August 21, 2023, 6:33pm UTC](https://forum.canton.network/t/avoid-contract-upgrades-with-a-json-text-field/6818 "2023-08-21T18:33:40Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![WallaceKelly](https://yyz2.discourse-cdn.com/flex034/user_avatar/forum.canton.network/wallacekelly/32/5046_2.png) [@WallaceKelly](https://forum.canton.network/u/WallaceKelly)\
**Post date:** [August 21, 2023, 7:02pm UTC](https://forum.canton.network/t/avoid-contract-upgrades-with-a-json-text-field/6818/2 "2023-08-21T19:02:48Z")

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One of our founders, who will remain anonymous (cc: @Shaul), pointed me at this [related post](https://discuss.daml.com/t/on-attachments-what-you-should-and-shouldnt-store-on-a-ledger/579).

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