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Blockchain

Web3, smart contracts, and specialized crypto tools.

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smart-contracts
150.4K

defi-amm-security

Security checklist for Solidity AMM contracts, liquidity pools, and swap flows. Covers reentrancy, CEI ordering, donation or inflation attacks, oracle manipulation, slippage, admin controls, and integer math.

affaan-m
affaan-m
blockchain
open
smart-contracts
150.4K

nodejs-keccak256

Prevent Ethereum hashing bugs in JavaScript and TypeScript. Node's sha3-256 is NIST SHA3, not Ethereum Keccak-256, and silently breaks selectors, signatures, storage slots, and address derivation.

affaan-m
affaan-m
blockchain
open
smart-contracts
43.8K

syncable-entity-builder-and-validation

Create validation logic and migration action builders for syncable entities in Twenty. Use when implementing business rule validation, uniqueness checks, foreign key validation, or building workspace migration actions for syncable entities. Validators never throw and never mutate.

twentyhq
twentyhq
blockchain
open
web3-tools
41.8K

ccxt-csharp

CCXT cryptocurrency exchange library for C# and .NET developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in .NET projects. Use when working with crypto exchanges in C# applications, trading systems, or financial software. Supports .NET Standard 2.0+.

ccxt
ccxt
blockchain
open
web3-tools
41.8K

ccxt-go

CCXT cryptocurrency exchange library for Go developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in Go projects. Use when working with crypto exchanges in Go applications, microservices, or trading systems.

ccxt
ccxt
blockchain
open
web3-tools
41.8K

ccxt-php

CCXT cryptocurrency exchange library for PHP developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in PHP 8.1+. Use when working with crypto exchanges in PHP projects, trading bots, or web applications. Supports both sync and async (ReactPHP) usage.

ccxt
ccxt
blockchain
open
web3-tools
41.8K

ccxt-python

CCXT cryptocurrency exchange library for Python developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors in Python. Use when working with crypto exchanges in Python projects, trading bots, data analysis, or portfolio management. Supports both sync and async (asyncio) usage.

ccxt
ccxt
blockchain
open
web3-tools
41.8K

ccxt-typescript

CCXT cryptocurrency exchange library for TypeScript and JavaScript developers (Node.js and browser). Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch market data, place orders, stream live tickers/orderbooks, handle authentication, and manage errors. Use when working with crypto exchanges in TypeScript/JavaScript projects, trading bots, arbitrage systems, or portfolio management tools. Includes both REST and WebSocket examples.

ccxt
ccxt
blockchain
open
web3-tools
40.3K

mine

Mine a project or conversation into your MemPalace — extract and store memories for later retrieval.

milla-jovovich
milla-jovovich
blockchain
open
web3-tools
33.4K

solidity-security

Master smart contract security best practices to prevent common vulnerabilities and implement secure Solidity patterns. Use when writing smart contracts, auditing existing contracts, or implementing security measures for blockchain applications.

wshobson
wshobson
blockchain
open
web3-tools
33.4K

defi-protocol-templates

Implement DeFi protocols with production-ready templates for staking, AMMs, governance, and lending systems. Use when building decentralized finance applications or smart contract protocols.

wshobson
wshobson
blockchain
open
web3-tools
33.4K

nft-standards

Implement NFT standards (ERC-721, ERC-1155) with proper metadata handling, minting strategies, and marketplace integration. Use when creating NFT contracts, building NFT marketplaces, or implementing digital asset systems.

wshobson
wshobson
blockchain
open
defi
32.1K

defi-protocol-templates

Implement DeFi protocols with production-ready templates for staking, AMMs, governance, and lending systems. Use when building decentralized finance applications or smart contract protocols.

sickn33
sickn33
blockchain
open
smart-contracts
32.1K

solidity-security

Master smart contract security best practices, vulnerability prevention, and secure Solidity development patterns.

sickn33
sickn33
blockchain
open
smart-contracts
32.1K

007

Security audit, hardening, threat modeling (STRIDE/PASTA), Red/Blue Team, OWASP checks, code review, incident response, and infrastructure security for any project.

sickn33
sickn33
blockchain
open
smart-contracts
32.1K

grpc-golang

Build production-ready gRPC services in Go with mTLS, streaming, and observability. Use when designing Protobuf contracts with Buf or implementing secure service-to-service transport.

sickn33
sickn33
blockchain
open
smart-contracts
32.1K

security-auditor

Expert security auditor specializing in DevSecOps, comprehensive cybersecurity, and compliance frameworks.

sickn33
sickn33
blockchain
open
smart-contracts
32.1K

web3-testing

Master comprehensive testing strategies for smart contracts using Hardhat, Foundry, and advanced testing patterns.

sickn33
sickn33
blockchain
open
web3-tools
32.1K

telegram-mini-app

Expert in building Telegram Mini Apps (TWA) - web apps that run inside Telegram with native-like experience. Covers the TON ecosystem, Telegram Web App API, payments, user authentication, and building viral mini apps that monetize.

sickn33
sickn33
blockchain
open
web3-tools
32.1K

azure-security-keyvault-keys-dotnet

Azure Key Vault Keys SDK for .NET. Client library for managing cryptographic keys in Azure Key Vault and Managed HSM. Use for key creation, rotation, encryption, decryption, signing, and verification.

sickn33
sickn33
blockchain
open
web3-tools
32.1K

blockchain-developer

Build production-ready Web3 applications, smart contracts, and decentralized systems. Implements DeFi protocols, NFT platforms, DAOs, and enterprise blockchain integrations.

sickn33
sickn33
blockchain
open
web3-tools
32.1K

emblemai-crypto-wallet

Crypto wallet management across 7 blockchains via EmblemAI Agent Hustle API. Balance checks, token swaps, portfolio analysis, and transaction execution for Solana, Ethereum, Base, BSC, Polygon, Hedera, and Bitcoin.

sickn33
sickn33
blockchain
open
web3-tools
32.1K

flutter-expert

Master Flutter development with Dart 3, advanced widgets, and multi-platform deployment.

sickn33
sickn33
blockchain
open
web3-tools
32.1K

makepad-platform

CRITICAL: Use for Makepad cross-platform support. Triggers on: makepad platform, makepad os, makepad macos, makepad windows, makepad linux, makepad android, makepad ios, makepad web, makepad wasm, makepad metal, makepad d3d11, makepad opengl, makepad webgl, OsType, CxOs, makepad 跨平台, makepad 平台支持

sickn33
sickn33
blockchain
open
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