# SIP-29 on-chain discoverability to encryption public key -- follow up to SIP-28

**URL:** <https://forums.sui.io/t/sip-29-on-chain-discoverability-to-encryption-public-key-follow-up-to-sip-28/45714>\
**Category:** Active SIPs\
**Created:** [June 14, 2024, 3:17pm UTC](https://forums.sui.io/t/sip-29-on-chain-discoverability-to-encryption-public-key-follow-up-to-sip-28/45714 "2024-06-14T15:17:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![alex\_devrel](https://avatars.discourse-cdn.com/v4/letter/a/58f4c7/32.png) [@alex\_devrel](https://forums.sui.io/u/alex_devrel)\
**Post date:** [June 14, 2024, 3:17pm UTC](https://forums.sui.io/t/sip-29-on-chain-discoverability-to-encryption-public-key-follow-up-to-sip-28/45714/1 "2024-06-14T15:17:31Z")

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**SIP Title:** on-chain discoverability to encryption public key

**SIP number:** 29  
**SIP link:** [SIP: on-chain discoverability to encryption public key by joyqvq · Pull Request #29 · sui-foundation/sips · GitHub](https://github.com/sui-foundation/sips/pull/29)

This SIP relates closely to SIP 28. SIP 28 will add the BLS cryptographic scheme to wallets, so with the same mnemonics the user will have access to a BLS keypair as well.

This SIP intends to make the BLS key discoverable on-chain so that practical applications can be implemented based on this new addition.