Glamsterdam’s testnet plan gives Ethereum builders a new compatibility checklist
The Sepolia announcement covers block-building changes, access lists and gas repricing—not a mainnet launch date.
THE ETHEREUM ATLAS
Ethereum news and guides.
Programmable money, explained.
Gas, permissions, scaling and transaction outcomes. Understand the layers behind Ethereum applications and the research shaping them.
5 source-linked articles · News and learning in one place
Token allowances are standing permissions
Separate a wallet connection from the authority to move ERC-20 tokens on your behalf.
Read a gas quote without confusing limits and costs
A worked fee example explaining gas used, fee ceilings and why a failed execution can still cost ETH.
A layer-2 withdrawal has more than one clock
Distinguish local execution, settlement and bridge availability when moving between networks.
Ethereum inclusion and finality answer different questions
Understand why an execution receipt, a finalised block and a completed application workflow are separate evidence.