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The Solana Development Course has dropped on Updraft.
12 programs. Native Rust + Anchor. Security CTFs.
Completely free.
12 programs. Native Rust + Anchor. Security CTFs.
Completely free.
Latest posts 5
The `refund` function in PuppyRaffle sends ETH before updating state.
That's textbook reentrancy. Here's exactly how an attacker drains the entire contract. 馃У
That's textbook reentrancy. Here's exactly how an attacker drains the entire contract. 馃У
Reentrancy has drained hundreds of millions from smart contracts. The original DAO hack. Countless DeFi protocols since.
It all comes down to one mistake: making an external call before updating state. 馃У
It all comes down to one mistake: making an external call before updating state. 馃У
Most people stake ETH and stop there.
But you can stack yield on top of yield by routing through Balancer and Aura Finance.
Here's how rETH holders can earn BAL, AURA, and RPL on top of their staking rewards. 馃У
But you can stack yield on top of yield by routing through Balancer and Aura Finance.
Here's how rETH holders can earn BAL, AURA, and RPL on top of their staking rewards. 馃У
Most Solidity devs have never manually emitted an event using assembly.
But gas-optimized contracts do it all the time. Here's how log4 actually works at the EVM level. 馃У
But gas-optimized contracts do it all the time. Here's how log4 actually works at the EVM level. 馃У