Alchemy Builders Weekly: Cronos, Solana & Call
Zusammenfassung
Alchemy Builders shares a weekly recap covering major platform updates and community resources. Announced Cronos support on Alchemy with RPC and gasless infrastructure, introduced getTokenAccountsByOwnerAtSlot for historical Solana balances, and posted recordings for a community call on Alchemy updates, AI agents orchestration, and MCP server configuration. This matters for developers and community members building on-chain tools.
Hey Alchemy Fam! 
Happy Friday everyone!! This is the weekly recap! ||@Pingme ||
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Cronos is now live on Alchemy! 
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Alchemy has launched support for Cronos, a purpose-built settlement layer for stablecoins and tokenized assets.
Developers can now connect to the network through Alchemy's RPC and build with Alchemy's gasless transaction infrastructure, the same infrastructure already behind the Cronos app.
🔗 All the details here: https://www.alchemy.com/blog/cronos-is-now-live-on-alchemy
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** Historical Solana token balances is now available via getTokenAccountsByOwnerAtSlot! ** 
Ask a Solana wallet what it holds today and any node can answer in one call.
Ask what it held last spring, or at the exact moment right before it got drained, and the easy path disappears...
🙌 Today we are changing that. getTokenAccountsByOwnerAtSlot returns everything a wallet held at any past point in time, with exact balances, in a single call.
🔗 Learn how to use it here: https://www.alchemy.com/blog/historical-solana-token-balances
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Community Call: Alchemy updates + AI Agents orchestration + Alchemy MCP Server configuration
Missed the live session? 
Don't worry, we got you!
We’ve got all the recordings right here 👇 
🔗 🎙️ https://alchemybuilders.short.gy/T3BBhK
🗓️ Don't miss the next one! Every Wednesday 12 PM ET
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** The new June Quiz Tournament is running! 
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We are looking for the next Quiz Master, and this could be you! 🥇
🗓️ Join us every Tuesday and Thursday at 12 PM ET in the #🧠│quiz-games channel to test your knowledge, learn something new, and have fun!
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Fresh technical Blogs available! 📢
🔗 How we fine tune our RPC for speed and reliability
🔗 Best blockchain infrastructure for AI agents (2026)
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Have a great weekend ahead, keep learning and building, and spend quality time with family and friends!! 🙌
Happy Friday, Happy Weekend and Happy Building! 
Cronos Is Now Live on Alchemy | Partnership Announcement
Alchemy has launched support for Cronos. Connect via RPC and build with gasless transaction infrastructure on a settlement layer for stablecoins and tokenized assets.
Introducing Historical Solana Token Balances
Query any Solana wallet's token accounts at a past slot with getTokenAccountsByOwnerAtSlot — exact balances in one RPC call, no replay required.
Alchemy Builders Recordings | Notion
(Latest recordings on top)
How We Fine Tune RPC for Speed and Reliability | Alchemy
See how moving large-response compression from node-gateway to Istio reduced GOAWAY churn and improved P95 latency on heavy RPC calls.
Best Blockchain Infrastructure for AI Agents (2026) | Alchemy
Compare the best blockchain infrastructure for AI agents in 2026: agent frameworks, agent-ready RPC and data providers, and the standards that connect them.
