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[@ladislaus0x](/creator/twitter/ladislaus0x)
"🧵Another EF Protocol research update featuring: * An explainer on state expiry * Fusaka bandwidth estimations * lean Ethereum post quantum workshops * A paper on a new hash function optimized for ZK proving systems and more All posts🔗👇🏼"  
[X Link](https://x.com/ladislaus0x/status/1980216940024205394) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, 8694 engagements


"2/ With the L1 set to scale how should Ethereum handle its ever growing state @ngweihan_eth from the EFs stateless consensus team walks you through the trade-offs between in-protocol and out-of-protocol state expiry"  
[X Link](https://x.com/ladislaus0x/status/1980216942758883705) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements


"5/ Introducing Poseidon2b a new hash function optimized for binary field ZK proving systems (in collaboration)"  
[X Link](https://x.com/ladislaus0x/status/1980216949868220583) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements


"3/ Watch out node runners The upcoming Fusaka upgrade may impact your bandwidth and disk requirements. Particularly fractional stakers like Rocketpool or Lido CSM operators should be all ears:"  
[X Link](https://x.com/ladislaus0x/status/1980216944809869406) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements


"6/ Vitalik details enablers behind the rapid speed of ZK proving systems Disclaimer: math-heavy but a must-read for all enjoyooors of lean Ethereum"  
[X Link](https://x.com/ladislaus0x/status/1980216951969624449) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements


"4/ Recordings & slides of the recent lean Ethereum post quantum workshops have been shared. More recordings will trickle in shortly check out the EFs YouTube channel to stay in the loop"  
[X Link](https://x.com/ladislaus0x/status/1980216947284549669) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements


"7/ Checkout the recording of the latest FOCIL break-out #21 with @donnoh_eth presenting an analysis of the intersection between L1 forced-inclusion and native rollups (in collaboration)"  
[X Link](https://x.com/ladislaus0x/status/1980216954393887132) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements


"8/ Updates from Stateless Implementers:"  
[X Link](https://x.com/ladislaus0x/status/1980216956830822533) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements


"9/ A special thank you and farewell to a much respected colleague and true Ethereum innovator. All the best and see you soon💙"  
[X Link](https://x.com/ladislaus0x/status/1980216959150219408) [@ladislaus0x](/creator/x/ladislaus0x) 2025-10-20T10:18Z 1528 followers, XXX engagements