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DNDmytro Nasyrovpharos-production.hashnode.dev1d 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.dev1d 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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Ssolsmintsolsmintbuilder.hashnode.dev2d ago · 10 min read

Solana Token Authorities Explained: Mint, Freeze, Update, and Revocation

Solana tokens can have several authorities, each with different permissions. Mint Authority can authorize new token issuance. Freeze Authority can freeze eligible token accounts. A metadata Update Aut

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VKVikram Kumar Shuklavikramkumarshukla.hashnode.dev3d ago · 4 min read

The extortion crew just got extorted. Someone leaked the Silent Ransom Group's own playbook.

I read about this one twice, because it felt backwards the first time: the gang that specialises in stealing law firms' files and demanding millions not to publish them has had its own files published

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Jjackcanopypay.hashnode.dev5d ago · 27 min read

Add cross-chain deposits to Dfns wallets and reconcile settlement

Originally published on Canopy. Your application already assigns Dfns wallets to customers and detects incoming transfers. A customer now wants to deposit an asset on a network different from the one

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QQistDeFiqistdefi.hashnode.dev5d ago · 3 min read

5 Islamic Contracts That Can Be Implemented on Smart Contracts

1. Murabaha (Cost-Plus Sale): Installment Sale Murabaha is a sale contract where the seller discloses the original cost and an agreed profit margin. In Islamic DeFi, this can be implemented via a smar

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FIFluidRWA Infofluidrwa-research.hashnode.devOct 1 · 3 min read

Designing Accountability Boundaries in a Multi-Vendor Digital Asset Stack

Digital asset systems are rarely delivered by one provider. A typical architecture combines identity verification, wallet infrastructure, custody, blockchain analytics, payments, tokenization software

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Aadminswiftnodes.hashnode.devSep 30 · 8 min read

How Old Is 'finalized'? We Measured 62 Chains

eth_getBlockByNumber("finalized") looks like a universal answer to "is this transaction safe to act on?" Wait until the transaction's block is at or below finalized, then credit the deposit. The metho

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TOTapbit Officialtapbitofficial.hashnode.devSep 29 · 9 min read

How Seed Phrases Rebuild HD Wallets: Entropy, Checksums, BIP-39, and Derivation Paths

A seed phrase looks like a short list of ordinary words. Underneath, it is a portable representation of random data that wallet software can transform into a deterministic tree of cryptographic keys.

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Aadminswiftnodes.hashnode.devSep 29 · 6 min read

opBNB RPC: A Developer's Guide (Chain ID 204)

opBNB is BNB Chain's layer 2. It runs the OP Stack, the same software as Optimism and Base, with one structural difference: its layer 1 is BNB Smart Chain, not Ethereum. That one change explains most

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#blockchain

Explore Hashnode

Trending tags this week

How to Assign Blockchain Recovery Ownership Before Launch

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

Solana Token Authorities Explained: Mint, Freeze, Update, and Revocation

The extortion crew just got extorted. Someone leaked the Silent Ransom Group's own playbook.

Add cross-chain deposits to Dfns wallets and reconcile settlement

5 Islamic Contracts That Can Be Implemented on Smart Contracts

Designing Accountability Boundaries in a Multi-Vendor Digital Asset Stack

How Old Is 'finalized'? We Measured 62 Chains

How Seed Phrases Rebuild HD Wallets: Entropy, Checksums, BIP-39, and Derivation Paths

opBNB RPC: A Developer's Guide (Chain ID 204)