Uttam Singh
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What is x402? The payment protocol for AI agents and onchain APIs
x402 is an open protocol that embeds crypto payments into HTTP, letting AI agents pay for API calls in real time: no API keys, no subscriptions, no billing dashboards.
Solana Alpenglow: the biggest consensus overhaul in Solana's history
Alpenglow replaces both Proof of History and Tower BFT with a new consensus architecture that drops finality from 12.8 seconds to 150 milliseconds and eliminates 75% of Solana's block space overhead.
x402 vs MPP: comparing agent payment protocols
x402 and MPP both let AI agents pay for API calls over HTTP, but they differ in payment rails, session support, and protocol-level primitives. Here's how they compare.
The enterprise stablecoin guide
A practical guide to using stablecoins in enterprise payments—covering why legacy rails fail, which stablecoin types and chains to choose, privacy considerations, and when (not) to issue your own.
How to make a memecoin on Solana: a step-by-step guide
Learn how to make a memecoin on Solana from a launchpad or DIY.
TRON support is live on Alchemy
You can now build on TRON, the second largest blockchain by stablecoin marketcap, with Alchemy.
What is the Ethereum Fusaka upgrade? Dev guide to 12 EIPs
A practical breakdown of the Fusaka upgrade, explaining the 12 core EIPs and how they change data availability, cryptography, gas costs, and validator operations across the Ethereum stack.
The stablecoin landscape across different chains
A data-driven look at where $300B+ in stablecoins actually live and move across major blockchains like Ethereum, Solana, Tron, and emerging L1s.
Best web3 programming languages in 2025
Explore popular programming languages for onchain apps.
The business model of rollups (rollup economics 2.0)
Everyone talks about rollups as the future of Ethereum, but does the math make sense for businesses to launch their own rollup?
How to use a blockchain API
Discover the basics of blockchain APIs, from the fundamentals to practical implementation steps.
How to use AI tools in crypto app development
Unlock your app's full potential and start coding with AI.
What is the Ethereum Pectra upgrade? Dev guide to 11 EIPs
The Ethereum Pectra upgrade bundles 11 EIPs, from smart wallet capabilities to staking mechanics and rollup data efficiency. Discover what changes and why it matters.