Build a vulnerable lottery, exploit its predictable RNG with Foundry, then patch it with Chainlink VRF 2.5. 12 hands-on steps ...

Learn Solidity Programming from Scratch. Set up Remix IDE, understand gas fees, avoid security bugs like reentrancy, and ...

Test ERC-4337 paymaster exploits in Foundry: deposit draining, gas griefing, and signature bypass bugs, step by step with real code.

Solidity contract, Web3 frontend, anti-bot checks, ad and offer-wall revenue, plus the US and EU licensing risks.

Ethereum is trading near $2,700 as of 21 September 2026, well below its August 2025 peak near $4,946. That gap is the starting point for any serious ETH price discussion through 2030: the network ...

Add Decrypt as your preferred source to see more of our stories on Google. Bitmine bought another 27,562 ETH, raising its holdings to 5,983,940 ETH (about $16.1 billion), or 4.9% of supply—98% of the ...

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Bitmine purchased 27,562 ETH last week, worth about $75.2 million at Monday’s price of $2,727, continuing its accumulation streak. Chairman Tom Lee said said institutional investors remain ...

Fake YouTube tutorials tricked 224 users into deploying and funding malicious smart contracts disguised as AI-powered crypto trading bots. The campaign stole 274.6 ETH, worth ...

Ethereum no longer runs on mining — and that changes everything for crypto beginners. Since September 2022, Ethereum has operated on a system called proof of stake, where validators replace miners as ...