# Spire Labs > Community and technical updates from Spire Labs ## Recent Posts - [Spire and BTCS collaborate to strengthen Ethereum block building](https://paragraph.com/@spire/btcs) - [The first synchronously composable appchain on Celo](https://paragraph.com/@spire/human-appchain): Powered by Self and Spire - [The Rollup Cost Killer](https://paragraph.com/@spire/the-rollup-cost-killer): How Blob Aggregation Slashes L1 Execution Fees for Rollups - [KZG Commitments and Blob Aggregation](https://paragraph.com/@spire/kzg-commitments-and-blob-aggregation) - [Fair Fees for Shared Space: Pricing Blob Aggregation with Shapley Values ](https://paragraph.com/@spire/fair-fees-for-shared-space-pricing-blob-aggregation-with-shapley-values): TL;DR: Spire proposes using Shapley Values to fairly distribute blob transaction fees, improving inclusion, lowering costs, and aligning with Ethereum’s modular future. - [The First Based L3: A Live Demo of Synchronous Composability](https://paragraph.com/@spire/a-live-demo-of-synchronous-composability) - [The Based Path to Decentralised Sequencing](https://paragraph.com/@spire/the-based-path-to-decentralised-sequencing): Selling Execution Tickets with a Dutch Block Auction - [L3 Based Stack - Unlocking Appchain Synchronous Composability](https://paragraph.com/@spire/l3-based-stack): with Shared Settlement and Coordinated Sequencing - [Shared Blob Compression](https://paragraph.com/@spire/shared-blob-compression) ## Blog Information - [Homepage](https://paragraph.com/@spire/): Main blog page - [RSS Feed](https://api.paragraph.com/blogs/rss/@spire): Subscribe to updates - [Twitter](https://twitter.com/@Spire_Labs): Follow on Twitter ## Optional - [All Posts](https://paragraph.com/@spire/): Complete post archive - [Sitemap](https://paragraph.com/@spire/sitemap-index.xml): XML sitemap for crawlers