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# Arc 9 Catch-Up: Writing Your First Solana Program

Matthew Revell21h ago • 8 min read

# Arc 9 Catch-Up: Writing Your First Solana Program

With Arc 9 of 100 Days of Solana, we enter the third big phase — or Epoch, as we call them — of the....

#100daysofsolana#blockchain#web3#learning

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I Built a Vault Before Anyone Finished the Lock

Tushar Pamnani20h ago • 7 min read

I Built a Vault Before Anyone Finished the Lock

Over the last few weeks, I've been building Obscura, a token launchpad for Midnight. There's just.....

#midnight#compact#web3#blockchain

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Polymarket Architecture Deep Dive 2026: Hybrid CLOB + CTF Design Every Trading Bot Must Understand

FatherSon6d ago • 3 min read

Polymarket Architecture Deep Dive 2026: Hybrid CLOB + CTF Design Every Trading Bot Must Understand

Building a high-performance Polymarket trading bot requires mastering its unique hybrid architecture...

#architecture#blockchain#systemdesign#web3

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Cherrypick142d ago • 7 min read

Trade-offs in Indexing Solana at Scale

Building real-time blockchain indexers means wrestling with hard choices: speed vs. simplicity, RPC....

#architecture#blockchain#database#systemdesign

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What does your AI agent actually trust when it trades through a CEX?

Baris Sozen2d ago • 5 min read

What does your AI agent actually trust when it trades through a CEX?

A wave of "AI agents can now trade" tooling shipped this quarter. Kraken put out a CLI described as ...

#mcp#ai#cryptocurrency#blockchain

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From Raw EVM Logs to Live Risk Scores in 47 Seconds — The Complete Architecture of OmniSight

masonericd14h ago • 6 min read

From Raw EVM Logs to Live Risk Scores in 47 Seconds — The Complete Architecture of OmniSight

How I built a production blockchain intelligence engine solo, from nothing, using Apache Airflow,...

#python#machinelearning#blockchain#postgressql

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Building Q-EOS: When Control Theory Meets Multi-Agent AI Governance

yang dada1d ago • 5 min read

Building Q-EOS: When Control Theory Meets Multi-Agent AI Governance

Building Q-EOS: When Control Theory Meets Multi-Agent AI Governance How I built a...

#agents#ai#architecture#blockchain

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The Token Is the Least Interesting Part of Tokenization

Soumabha Mahapatra5d ago • 11 min read

The Token Is the Least Interesting Part of Tokenization

"Most tokenization discussions stop at the token. In reality, the token is often the simplest...

#blockchain#web3#solidity#architecture

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Building a compliance attestation system with selective disclosure on Midnight

HarrieJun 18, 2026 • 10 min read

Building a compliance attestation system with selective disclosure on Midnight

A financial platform needs to verify that a user is over 21, based in the US, and holds a developer....

#midnightfordevs#blockchain#tutorial

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Vyper for Solidity Developers: The Security Tradeoffs Nobody Explains

Pavel Espitia1d ago • 3 min read

Vyper for Solidity Developers: The Security Tradeoffs Nobody Explains

I audit both Solidity and Vyper, and developers coming from Solidity often assume Vyper is just...

#security#blockchain#solidity#tutorial

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I built a $0.0005 screenshot cropper that saves AI agents 95% on vision LLM costs

aaroncarlisle9413h ago • 4 min read

I built a $0.0005 screenshot cropper that saves AI agents 95% on vision LLM costs

If you're building AI agents that work with browser screenshots, you already know the pain. You tak...

#ai#webdev#agents#blockchain

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Front-Running and MEV: Writing Contracts That Don't Leak Money to the Mempool

Pavel Espitia3d ago • 4 min read

Front-Running and MEV: Writing Contracts That Don't Leak Money to the Mempool

When you submit a transaction, it sits in the public mempool before it is mined, visible to everyone...

#security#blockchain#solidity#tutorial

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AI agents already settle millions a month - almost none of it atomically

Baris Sozen1d ago • 5 min read

AI agents already settle millions a month - almost none of it atomically

Here is a number that should reframe how you think about the agent economy: in roughly one year, AI....

#mcp#ai#cryptocurrency#blockchain

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Gas Optimization That Doesn't Break Security: Storage, Calldata, and the Traps

Pavel Espitia6d ago • 3 min read

Gas Optimization That Doesn't Break Security: Storage, Calldata, and the Traps

Gas optimization is satisfying. You shave a few thousand gas off a function and feel clever. But som...

#blockchain#solidity#security#tutorial

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Anonymous membership proofs on Midnight: allowlists, voter rolls, and gated access

Harrie4d ago • 9 min read

Anonymous membership proofs on Midnight: allowlists, voter rolls, and gated access

Most membership systems have the same tradeoff: to prove you belong, you have to say who you are. A....

#midnightfordevs#blockchain#tutorial

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The Architecture of Trust: Reading Satoshi’s Whitepaper in an Era of Category Errors

Aniket Misra1d ago • 4 min read

The Architecture of Trust: Reading Satoshi’s Whitepaper in an Era of Category Errors

Immediately after putting down my Rust compiler, I did something I should have done years ago: I sat...

#bitcoin#blockchain#web3#systems

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Mantle Doesn't Need to Beat Solana at Tokenized Equities. It Needs to Be the Reliable Second Stop.

FARUK ABDULRAHMAN4d ago • 5 min read

Mantle Doesn't Need to Beat Solana at Tokenized Equities. It Needs to Be the Reliable Second Stop.

Mantle's RWA TVL grew 27.4% quarter-over-quarter to $247.5M in Q1 2026. That's a real, sourced...

#web3#blockchain#defi#research

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Darshit Khandelwal2d ago • 6 min read

Week - 1 (Phase 1)

Week 1 of My LFDT Mentorship: Architecture, Hedera, and Getting Everything Running Welcome...

#architecture#blockchain#devjournal#opensource

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One trade, many legs, zero gaps: how multi-leg atomicity actually works

Baris Sozen6d ago • 5 min read

One trade, many legs, zero gaps: how multi-leg atomicity actually works

Yesterday I wrote that rails are not settlement: a payment is one leg - agent pays a seller, one...

#mcp#ai#cryptocurrency#blockchain

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Why Supra's New AI Agent Play Is Different From Coinbase, Google, and OpenAI's Approach

SUPRA5d ago • 4 min read

Why Supra's New AI Agent Play Is Different From Coinbase, Google, and OpenAI's Approach

I've spent the last few days going down a rabbit hole on AI agent infrastructure, and I want to talk...

#agents#ai#blockchain#infrastructure

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The Web3 x Hardware Challenge: Test Your Skills on Our Open-Source IoT Templates 🛠️

Hung Nguyen Thanh6d ago • 2 min read

The Web3 x Hardware Challenge: Test Your Skills on Our Open-Source IoT Templates 🛠️

Connecting IoT devices to the blockchain often feels like navigating a maze of complex boilerplate.....

#web3#blockchain#iot#opensource

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How I built a Counter program in Anchor and learned to trust my tests

Siddhant Chavan2d ago • 2 min read

How I built a Counter program in Anchor and learned to trust my tests

My first Anchor program finally started feeling like a real on-chain application when I stopped...

#blockchain#rust#testing#tutorial

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Learning Midnight: nothing goes public by accident

Tminus1sec base.eth2d ago • 2 min read

Learning Midnight: nothing goes public by accident

I'm a self-taught enthusiast poking around the Midnight Network, and I wanted to write down one thin...

#midnight#zeroknowledge#blockchain#beginners

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Escrow or atomic: which settlement model does the agent economy actually standardize on?

Baris Sozen3h ago • 5 min read

Escrow or atomic: which settlement model does the agent economy actually standardize on?

If you've watched the agent-payments space over the last few months, you've seen two settlement...

#mcp#ai#cryptocurrency#blockchain

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Tech Articles

# Arc 9 Catch-Up: Writing Your First Solana Program

I Built a Vault Before Anyone Finished the Lock

Polymarket Architecture Deep Dive 2026: Hybrid CLOB + CTF Design Every Trading Bot Must Understand

Trade-offs in Indexing Solana at Scale

What does your AI agent actually trust when it trades through a CEX?

From Raw EVM Logs to Live Risk Scores in 47 Seconds — The Complete Architecture of OmniSight

Building Q-EOS: When Control Theory Meets Multi-Agent AI Governance

The Token Is the Least Interesting Part of Tokenization

Building a compliance attestation system with selective disclosure on Midnight

Vyper for Solidity Developers: The Security Tradeoffs Nobody Explains

I built a $0.0005 screenshot cropper that saves AI agents 95% on vision LLM costs

Front-Running and MEV: Writing Contracts That Don't Leak Money to the Mempool

AI agents already settle millions a month - almost none of it atomically

Gas Optimization That Doesn't Break Security: Storage, Calldata, and the Traps

Anonymous membership proofs on Midnight: allowlists, voter rolls, and gated access

The Architecture of Trust: Reading Satoshi’s Whitepaper in an Era of Category Errors

Mantle Doesn't Need to Beat Solana at Tokenized Equities. It Needs to Be the Reliable Second Stop.

Week - 1 (Phase 1)

One trade, many legs, zero gaps: how multi-leg atomicity actually works

Why Supra's New AI Agent Play Is Different From Coinbase, Google, and OpenAI's Approach

The Web3 x Hardware Challenge: Test Your Skills on Our Open-Source IoT Templates 🛠️

How I built a Counter program in Anchor and learned to trust my tests

Learning Midnight: nothing goes public by accident

Escrow or atomic: which settlement model does the agent economy actually standardize on?