Ethereum confirms Glamsterdam dates, but warns 'fake' builders could stall the chain

60-second summary

Ethereum announces the Glamsterdam conference dates but warns that “fake” builders can exploit free test‑ether to outbid rivals and withhold transaction payloads, potentially stalling the network; meanwhile client teams receive only half the usual review time before Sepolia’s launch, raising concerns that reduced scrutiny could increase bugs and delay ecosystem upgrades, impacting market confidence.