Topic
SuiIntermediateMove treats assets as typed resources that can't be copied or dropped, stores state with owners instead of in contract mappings, uses signers and capabilities for access control, and avoids classic reentrancy.
#move#security#smart-contracts
ERC-4337 makes user accounts smart contracts via UserOperations, bundlers, an EntryPoint and paymasters, enabling batching, gas sponsorship and recovery. EIP-7702 lets existing EOAs delegate to such code.
#account-abstraction#smart-contracts#wallets
EthereumAdvancedA proxy holds storage and delegatecalls an implementation. Transparent proxies keep upgrade logic in the proxy; UUPS puts it in the implementation, which is cheaper but can brick upgrades if done wrong.
#security#smart-contracts#upgrades
EthereumIntermediateUpdate state before any external call (checks-effects-interactions), add nonReentrant to every function sharing that state, and treat token hooks and user-supplied addresses as external calls.
#security#smart-contracts#solidity
SolanaBeginnerSome account would end the transaction with more than zero lamports but less than its rent-exempt minimum. Find it by index, then fund it fully, sweep it to zero, or fund your reallocs.
#rust#smart-contracts#troubleshooting
EthereumIntermediateThe EVM hit a REVERT and undid the call. The reason is in the revert data: decode Error(string), Panic codes and custom errors with ethers, or replay a failed transaction with cast run.
#smart-contracts#solidity#troubleshooting
GeneralBeginnerDeFi, short for “decentralized finance,” is a system that makes financial products available on a public decentralized blockchain network that is not regulated by financial intermediaries like banks and national or international administration. DeFi involves taking traditional elements of the…
#defi#news#smart-contracts
GeneralBeginnerWaves, the open blockchain platform has released a system update to start the process of activating Smart Contracts on the Waves MainNet. The Smart Contract protocol will be activated a week after the mining community consensus reaches 80% of the votes.
#news#smart-contracts
GeneralIntermediateBuilding apps and smart contracts with the Azure Blockchain Workbench
#azure#azure-blockchain-workbench#smart-contracts
GeneralIntermediateHow to deploy smart contracts on Oracle Blockchain
#oracle-blockchain#smart-contracts
StratisBeginnerStratis has released the alpha version of its blockchain smart contracts, written in C# and .NET Core.
#news#smart-contracts
