Field notes
Solana · agents · product delivery
Working patterns, failure modes, and production decisions—not generic tutorials.
Case studies
Historical builds written up as decisions, tradeoffs, and results. Every one links to the live case study on the work page.
Case studyHow Builderz supported a Solana-based participation and reward experience around community-funded longevity research.
Case studyHow Builderz won the 2023 Grizzlython Hackathon by solving NFT's royalty crisis.
Case studyHow Builderz helped SeaTrees connect digital participation with coastal restoration work through a focused Web3 delivery engagement.
Case studyA case study in intelligent Automation
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Native app, wrapped PWA, or plain web? How Mobile Wallet Adapter, Seed Vault, Seeker, and the dApp Store change the scope of a Solana mobile build.
Archive
Filter by discipline, then open the guide that matches the decision or failure in front of you.
DeFi9 min read
Five layers that protect Solana users from sandwich attacks, ranked by cost and coverage, from free slippage rules to contract-level defenses.
Blockchain Integrated Apps8 min read
Phantom dropped Blinks. What still renders them in 2026, and the five pieces (manifest, GET, POST, headers, registry) that make a link sign a transaction.
DeFi9 min read
Your swap lands late or gets sandwiched at the worst moment. Five steps to send Jito bundles from a real app: tips, status checks, and the three failures.
Blockchain9 min read
Firedancer runs about 15% of Solana stake. What changes for your app, what stays the same, and five checks to run before your next launch.
NFTs9 min read
A million compressed NFTs costs about 5 SOL by the official table. When that beats Core, how to size the tree, and the DAS calls your backend lives on.
Smart Contracts8 min read
Anchor 0.29 programs break on the new IDL spec, the renamed client package, and Solana 3.x crates. Seven steps to reach 1.2.1 without a mainnet outage.
Smart Contracts8 min read
Transfer limits, private amounts, metadata, forced recovery, and yield display each map to a Token-2022 extension. Pick them before the mint exists.
Gaming8 min read
Put ownership, scarcity, and settlement on Solana and keep tick-rate state off. Six rules, an Anchor leaderboard account, and real fee math.
DeFi8 min read
Build a Solana swap UI on Jupiter Swap API V2 with order and execute calls, keep your API key off the client, and handle the codes that kill swaps.
Blockchain8 min read
Five written artifacts and one build decision before you fund a Solana build. What our $5K to $8K architecture sprint covers, and what it skips.
AI Automation8 min read
Your multi-agent demo works, then a run dies halfway. Five questions that pick LangGraph, CrewAI, or your own loop, and an honest verdict.
AI Automation8 min read
Your n8n flow did what it was told, and that was the problem. Six signs a step needs an agent, a hybrid pattern, and when to stay put.
Blockchain8 min read
Base settles to Ethereum through one sequencer. Solana runs one global state. Here is what that means for fees, finality, and tooling on launch day.
Blockchain8 min read
Fees, finality, accounts, wallets, L2 sprawl, audits, and hiring. Seven checks to settle Solana vs Ethereum before you write the first contract.
AI Automation7 min read
RAG helps a model know your material. An MCP server lets it use your tools. Three questions that decide which you build first, and why order matters.
AI Automation7 min read
A chatbot answers. An agent acts with tools on your systems. Five signs a workflow needs an agent, what it costs, and when to skip one.
AI Automation8 min read
An AI agent in DeFi reads the chain, decides, and signs. Where agents fit, how to bound one with a kill switch, and when a plain bot is safer.
DeFi7 min read
Read Pyth prices in a Solana program without stale or wide quotes. Setup, Anchor code, client posting, and the checks a lending or perps app needs.
NFTs7 min read
Metaplex Core stores an NFT in one account instead of three. How to mint, add plugins, run collections, and when to stay on Token Metadata.
Blockchain7 min read
Helius drops a webhook event if your server is slow. Build a Solana receiver that answers fast, skips duplicates, and survives retries.
Blockchain8 min read
Public Solana RPC fails on launch day. Set up Helius RPC with the TypeScript SDK, DAS asset reads, webhooks, and parsed history for mainnet.
Smart Contracts8 min read
Anchor 1.0 removed the #[interface] attribute old hook guides rely on. Build a KYC and whale-alert transfer hook that compiles on Anchor 1.2.1.
Smart Contracts8 min read
Build a badge that can't be moved and a treasury that demands memos with Token-2022 and Kit, then dodge the 5 pitfalls that force a reissue.
Blockchain6 min read
Migrate Solana account state with eight checks for schema versions, Anchor Migration, realloc space, rent, zeroing, batches, and rollback safety.
Blockchain6 min read
Ship Solana program upgrades with seven checks for authority, verifiable builds, state compatibility, binary hashes, deployment evidence, and rollback.
Blockchain7 min read
Build Solana cross-program invocations with nine checks for program identity, account privileges, PDA signers, compute, depth, errors, and tests.
Blockchain7 min read
Design and validate Solana PDAs with eight checks for seed domains, canonical bumps, Anchor constraints, CPI signing, lifecycle rules, and tests.
Blockchain7 min read
Build Solana v0 transactions with Address Lookup Tables using seven checks for size, signers, table contents, simulation, lifecycle, and v1 readiness.
Blockchain6 min read
Design Solana programs for concurrency with five patterns for writable account locks, hot state, partitioning, retries, local fees, and production traces.
Blockchain7 min read
Measure and reduce Solana compute usage with nine production fixes for transaction budgets, logs, serialization, PDAs, CPIs, and account loading.
Blockchain8 min read
Debug failed Solana transactions with simulation, instruction indexes, CPI logs, Anchor error codes, compute evidence, and a repeatable five-layer trace.
Blockchain8 min read
Review signer, owner, PDA, CPI, arithmetic, upgrade, and deployment controls before shipping a Solana program to mainnet.
Blockchain9 min read
Learn how Solana RPC endpoints handle reads, subscriptions, transaction submission, commitment, rate limits, and production traffic.
Blockchain9 min read
Learn how SPL tokens use mints, token accounts, associated token accounts, decimals, authorities, and checked transfers on Solana.
Blockchain9 min read
Learn how Solana transactions combine instructions, signers, blockhashes, compute limits, fees, and confirmation into one atomic operation.
Blockchain9 min read
Learn how Solana stores state, who can modify an account, how PDAs differ from wallets, and why SPL tokens live in separate token accounts.
Blockchain8 min read
Build a working Solana app with the official Next.js template, Kit v7, wallet discovery, devnet funding, and real on-chain actions.
Blockchain9 min read
Fix dropped, expired, and duplicate Solana transactions with a blockheight-aware confirmation and retry protocol for production applications.
AI Automation3 min read
How Builderz uses bounded agent workflows, human approval gates, logging, and recovery paths across a distributed Solana delivery team.
AI Automation9 min read
A case study in intelligent Automation
NFTs7 min read
How Builderz won the 2023 Grizzlython Hackathon by solving NFT's royalty crisis.
Smart Contracts7 min read
How Builderz supported a Solana-based participation and reward experience around community-funded longevity research.
Blockchain6 min read
Compare Solana, Ethereum, L2s & more. A founder-focused guide to choosing the best blockchain in 2025 based on performance, fees, security & real-world data.
Smart Contracts6 min read
How Builderz helped SeaTrees connect digital participation with coastal restoration work through a focused Web3 delivery engagement.
Smart Contracts5 min read
Seven practical ways to reduce phishing, malware, seed-phrase, and transaction-signing risks when using a Solana wallet.
NFTs4 min read
A practical look at compressed NFTs on Solana, where state compression helps, and what builders should verify before choosing it.
Blockchain2 min read
Why Builderz chose Solana, which tradeoffs still matter, and how teams should verify current network conditions before shipping.
Smart Contracts3 min read
Re:naissance Triumphs with 3rd Place in the DAOs and Network States Track at Grizzlython
Blockchain2 min read
Builderz emerges as an independent Web3 development studio, delivering production Solana systems.