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SCSpace Command Kitsspacecommandkits.hashnode.dev27m ago · 1 min read

Probe DNS and agent well-knowns before you scrape

Agents waste money when they hit the wrong host, miss /.well-known/ discovery files, or treat a parked domain like a live shop. What to check Apex vs www vs Workers custom domain Whether llms.txt, ro

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SCSpace Command Kitsspacecommandkits.hashnode.dev27m ago · 1 min read

Security headers on Cloudflare Workers (Observatory vs a USDC audit)

If you ship on Cloudflare Workers, browsers still judge you by HTTP response headers: CSP, HSTS, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, and friends. Free checks first MDN HTTP O

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Ssolsmintsolsmintbuilder.hashnode.dev9h ago · 14 min read

Solana Liquidity Pools Explained: How to Create, Add, and Manage Liquidity

A Solana liquidity pool holds two tokens that traders can swap against through a decentralized exchange. For a new SPL token, a token/SOL pool lets users trade between the project token and SOL withou

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FKFaisal Khanfaisalkhan-dev.hashnode.dev1d ago · 4 min read

Faisal Khan — Blockchain Developer (Solidity, React)

This article was originally published on dev.to. Hi, I'm Faisal Khan — a blockchain developer from Peshawar, Pakistan, working with Solidity and React. I write smart contracts and build the dApp fron

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WWalletversewalletverseblog.hashnode.dev1d ago · 11 min read

How WalletConnect Works: A Technical Guide for Web3 Users

Learn how WalletConnect connects cryptocurrency wallets to decentralized applications, how pairing and session management work, and what happens when users authorize transactions through Web3 interfac

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PPayloadpayloadhq.hashnode.dev1d ago · 6 min read

Prompts don't enforce budgets. Signatures do.

A spending limit that lives in a prompt is text. Enforcement has to live somewhere the model cannot talk its way past. A spending limit written in a prompt is not a control. It is a piece of text, si

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PPayloadpayloadhq.hashnode.dev1d ago · 5 min read

Checking a payout against what was actually owed, with a real Base mainnet example

Most payout disputes start with a screenshot. Someone shows a dashboard that says paid, someone else says the amount looks wrong, and there is nothing in the thread that either side can check independ

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Ssolsmintsolsmintbuilder.hashnode.dev3d ago · 11 min read

Solana Token Metadata Explained: Name, Symbol, Logo, and More

A Solana token’s identity involves more than its name and logo. The mint account stores core token state, such as decimals, current minted supply, and certain authorities. Descriptive information—such

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DNDmytro Nasyrovpharos-production.hashnode.dev4d ago · 17 min read

How to Assign Blockchain Recovery Ownership Before Launch

A blockchain launch can have audited contracts, working dashboards and an on-call rota while leaving the most consequential recovery decisions unassigned. The indexer team can rebuild a database. The

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VVaultionvaultion.hashnode.dev5d ago · 5 min read

Who gets to stall? Designing timeouts and dispute windows for a P2P escrow contract

Most escrow contract tutorials stop at three functions: deposit, release, refund. That version works perfectly as long as both people behave. The interesting design work is everything that happens whe

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#web3

Explore Hashnode

Trending tags this week

Probe DNS and agent well-knowns before you scrape

Security headers on Cloudflare Workers (Observatory vs a USDC audit)

Solana Liquidity Pools Explained: How to Create, Add, and Manage Liquidity

Faisal Khan — Blockchain Developer (Solidity, React)

How WalletConnect Works: A Technical Guide for Web3 Users

Prompts don't enforce budgets. Signatures do.

Checking a payout against what was actually owed, with a real Base mainnet example

Solana Token Metadata Explained: Name, Symbol, Logo, and More

How to Assign Blockchain Recovery Ownership Before Launch

Who gets to stall? Designing timeouts and dispute windows for a P2P escrow contract