**Detailed Proposal:**

[https://docs.google.com/document/d/1_ao-Hk-GxIPUDpWijDK4KXUjst0rglZZBzIuMGG7aVQ/edit#](https://docs.google.com/document/d/1_ao-Hk-GxIPUDpWijDK4KXUjst0rglZZBzIuMGG7aVQ/edit#)

**Short Description:**

Support Colorful Notion’s Polkaholic.io open source XCM/Multichain block explorer, indexing of all Polkadot + Kusama + parachain data with a special emphasis on XCM Transfers / Messages, made available in UI/API/CDN/BigQuery form to support Polkadot+Kusama ecosystem’s multichain initiatives.

**Proposal Summary:**

Colorful Notion proposes to:
- Expose and maintain public archive of all the raw data indexed by Polkaholic.io (blocks, extrinsics, events and traces) available in CDN form and then in BigQuery form and indexed data (specifically and especially XCM transfers and XCM messages) in API form
- Continue to index all Polkadot chains to the fullest extent possible to generate and maintain the archive with APIs, which may be relied upon by large scale archival systems.  These APIs maintain Value transfers/XCM transfers according to DEX info on top  “defi” parachains
- Model XCM Transfers and Messages across the entire Polkadot/Kusama ecosystem
- Enhance Polkaholic.io indexing as the Polkadot ecosystem expands: New parachains, new pallets generating XCM extrinsics/messages  with new XC Assets, support for ERC20/PSP22/ERC721/PSP34 assets, XCMv3, and new bridges

- Colorful Notion wants to support Polkaholic.io, a block explorer for Polkadot and Kusama.
- They will provide access to all the data indexed by Polkaholic.io in different forms like UI, API, CDN, and BigQuery.
- They will focus on indexing XCM transfers and messages.
- They will continue to index all Polkadot chains and provide APIs for large-scale archival systems.
- They will enhance Polkaholic.io as the Polkadot ecosystem grows, adding support for new parachains, assets, and bridges.

Requested: 0.17 undefined

#210 Polkaholic.io - Polkadot+Kusama XCM/Multichain Block Explorer (Q2+Q3 2022)