Péter Szilágyi

@peter_szilagyi72k followers

Founder @dark_dot_bio | Former Go Ethereum Lead (2015-2025)

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1Aug 5, '24I often wonder if I'm in the wrong industry. Take SpaceX for example. They send a rocket to Mars? Humanity advances. They fail to send one and blow it up? Humanity learns a lesson 102×1M2.4k308658
2Oct 19, '25Since y'all spammed my timeline full of #Ethereum existential crises, here's a letter I sent to EF leadership in a year and half ago 😬. (link in next post because Twitter...)92.8×941k1.2k112359
3Sep 19, '24ETH was never meant to be money. ETH was meant to support a decentralized world, which does entail ETH having value. That said, none of the OGs wanted ETH to be money, ever. Bring 51.8×525k1.9k150139
4Nov 16, '24Hey all! Been working on #Ethereum for close to 10 years now, with all its ups and downs, without a meaningful holiday. Seems it’s time to take one so I’ll be going on a sabbatical31.1×315k3.4k90106
6Jun 11, '25I DARE you and the entire #Ethereum foundation to say that you didn't offer $5M for us to spin out. Or that EF didn't ask at least 3 times if we wanted to make a company instead an25.5×258k77245216
7Jan 30, '23#Ethereum ‘23 client interop 😋24×244k4523111
8May 16, '24Y'all know why #Ethereum is gonna get its ETF sooner or later? Because everyone is constantly poking at the protocol rules, so you just have to patiently wait and co-opt tiny decis21.9×222k709120177
9Aug 3, '23Today we reduced the memory requirement of Geth during snap sync from 14GB to 2GB (benchmarks still running, numbers might change a bit). #golang #Ethereum Behold the epic change t18×183k1.1k12551
10Mar 18, '22Complexity is an often overlooked aspect of a system because usually someone else is paying the price for it, not the person creating it. But don't be mistaken, someone *is* paying12.5×02.7k600616
11Oct 17, '23I should start charging 0.15% on every transaction that goes through Geth... 🤔12.3×125k5361814
12Jul 26, '24Every time I challenge the direction #Ethereum is taking, I'm told off for being alarmist; nasty towards researchers, etc. So, I have a solution: call "your researcher" now and ask12×122k8879297
13Nov 12, '24There are many very nice things about the #Ethereum beam chain proposal and the beacon chain does have the fortunate "feature" that it can be swapped out to drop tech debt, unlike 11.7×118k48646127
14Sep 14, '21Between the 3 Sept and 10 Sept, secure env vars of *all* public @travisci repositories were injected into PR builds. Signing keys, access creds, API tokens. Anyone could exfiltrate11.2×01.8k1.3k131
15Jul 23, '25My last talk on #Ethereum, Decentralisation: Original dream vs. shaping reality So long, and thanks for all the fish! 🐣11×111k61262250
16Jul 26, '24PeerDAS is the direction #Ethereum is being taken into with the next forks, with the aim to raise (not immediately) the blobs up to a staggering 32MB. That's fun, but are we aware 10.3×105k629100192
18Oct 22, '23Apparently Nethermind and Besu stopped storing historical #Ethereum data and they want to standardise it so instead of a protocol violation it becomes *the* way to do it?! This is 9.2×94k4788959
19May 27, '24I wanted to do a direct reply, but figured this is an interesting thing to expand a bit, so here's a top level tweet instead. Bitcoiners forever hated us because we redefined what 8.1×82k43270132
20Sep 10, '25Super proud and scared at the same time, today I've officially went from developer to founder. 🥹 Dark Bio is not my hobby project any more, it's an attempt to open genomics privat7.6×77k7462358
21May 17, '24Spent an hour tonight trying to come up with a way to avoid censorship on #Ethereum. I'm not aware of anyone proposing anything similar, so who wants to shoot holes in the idea? Mi7.3×74k46656122
22Aug 6, '24My goal with my rants "against" Ethereum / crypto is not to undermine them, rather to keep expectations within reality. The number one thing we must not do is burn people who move 6.7×68k8537181
23Mar 13, '24Another boring hard fork... 😒6.6×67k709346
24Nov 26, '20Remember the upstream #golang bug from 2 wooks ago that we said could take down the entire #Ethereum network? The same bug that could remotely crash SSH servers or code using RSA o6.2×01.8k41878
25May 24, '24Hello World! In the past few weeks I've been part of (or dare I say directly generated) a number of public debates about technical aspects of Geth, political aspects of #Ethereum, 6.1×62k8072831
26Apr 12, '23#Ethereum #shanghai hard fork... northing went wrong (yet 😅)... so much for getting up at 6AM for coffee :D 🥳5.9×59k636271
27Feb 5, '25Sorry guys, I'm selling the entire #Ethereum network5.7×58k9112917
28Jan 16, '24I realised that the 1559 burn is my absolute favourite mechanism in the #Ethereum EVM. It is the great equaliser. Before 1559, miners had the privilege of tweaking gas limits and p5.5×56k3974646
29Jun 21, '24👀 #Ethereum5.5×56k4973813
30Jun 9, '25Many years ago (prolly 6-8) I asked the #Ethereum Foundation management if I could pick out a few critical dependencies of Geth and give the authors a no strings attached retro gra5.3×54k4092371
31Feb 7, '23In light of yesterday's disasters, decided against buying a new laptop and donated the amount to the #TurkishEarthquake relief efforts.5.2×53k406650
32Nov 22, '24Rust is the future of programming. Me: Fun, how do I write concurrent stuff? Rust: Use Tokio! Me: Cool, what is Tokio? Rust: It's a lib that implements Go concurrency =)4.8×49k4672143
33Mar 23, '22Spent the last 2 days in Barcelona at the Avalanche Summit and it was sooo pleasant to again feel the vibe of this industry we're building. Shoutout to @el33th4xor for the invite a4.6×01.6k18724
34Jan 15, '25+14.3×43k444277
35Jul 25, '24Daily dose of #Ethereum4.2×43k7718930
37Jun 8, '22Waiting for the Ropsten #Ethereum merge @Paralelni_polis :)3.5×01.3k9618
38Nov 15, '21The #Ethereum *chain* is 175GB as of today, which is enough to recreate *anything* that *ever* happened since genesis. To validate a new block, you need the result of executing all3.3×099615977
40Sep 25, '24I have a feeling people fundamentally misunderstand builders. Most of us started coding before worries of money. We did it because creating things was fun, challenging and stimulat3.2×33k6296523
41Jan 21, '25Sweet baby Jesus, some sanity at last...3.2×32k478610
43Dec 7, '18#Ethereum Constantinople mainnet hard fork scheduled for block #7080000, estimated around the 16th of January, 2019!3.1×07682984
44Feb 3, '22Although not really visible from the outside, the go-ethereum codebase is one major PR away from being ready for the merge. And that PR itself is also done, "just needs tests" ™. #3.0×01k13913
45Jun 24, '21Did you know 1559 can potentially mess up #Ethereum mainnet in a super bad way if we missed something? You know what you can do to prevent that? Test the hell out of 1559 on Ropste3.0×01k14314
46Jul 27, '20I don't know who made this, but holy crap, this is some magically awesome visualization!!! #Ethereum2.9×068521591
47Sep 8, '22Publishing my #Avalanche vulnerability report from 29th March, 2022 that could have been used to take the entire network down at no cost. The issue was fixed way back, and with the2.9×090910566
48Jul 18, '17Oh my, we've been growing! #Ethereum nodes on @googleearth (green = @golang geth, orange = @rustlang parity, white = everything else).2.7×05823130
49Apr 19, '19Apparently we just managed to speed up Geth fast sync by 57%, reduce disk reads by 44% and writes by 26%. Today was a good day for science. 🤓 Geth 1.9.0 will kick ass! #golang #Et2.7×08711886
51Jun 4, '22This is your periodic reminder that post-merge, #Ethereum execution clients will not guarantee the availability of all the chain history indefinitely. Practically, nothing will cha2.5×050018927
52Mar 24, '22My previous tweets generated quite a bit of drama, so I'd like to clarify, that whether or not I'll be here long term, I'm not going to leave the Geth team and the ecosystem hangin2.5×0996426
53Aug 5, '21Thank you Avalanche. Burning fees is great. Your friendly competition outburnt your 11 month network in 3 hours. But don't worry, you just need to up your friendly competition on o2.5×0888679
54Apr 15, '21Welcome into Berlin :) #Ethereum2.5×0962951
55Sep 12, '22You know you've made it in life when Google adds an Easter-egg for you :) Congrats #Ethereum community, you've achieved something few could.2.5×09011214
56Dec 7, '21Although I'm not a fan of the @avalancheavax marketing machine, the tech underlying it does exist. I remember when Ethereum launched and Bitcoiners were fuming that it's vaporware;2.4×08239229
57Jan 9, '19Rinkeby #Ethereum testnet successfully forked over to Constantinople! All signers, bootnodes, faucet online and working well. Clean split between new and non-upgraded nodes (please2.1×05961822
58Jun 16, '22Hey #bitcoin peeps! 👋 When I'm criticizing #Ethereum, it's not because I don't believe in it, it's because the first step towards improvement is acknowledgment. Also, it's better 2.1×07966610
59Aug 5, '21Ladies and gentlemen, a first for #Ethereum. In block #12965263, the Ether supply decreased! ❤️‍🔥2.1×06361339
60Jul 19, '18#Ethereum will be 3 years old in ~10 days. During that time we had 5 consensus updates, 136 #golang Geth updates and 199 #rustlang Parity updates. DoS attacks included, the uptime 2.0×05481755
61Jan 19, '18Another week, another teaser ;) The #golang #Ethereum client is getting seriously beefed up ;) Code still in a work in progress PR ;)1.9×05461381
62Sep 15, '22:)1.9×0772320
64May 7, '25Congrats #Ethereum 😊1.8×18k685322
65Jun 1, '22I've been working in this space for over 8 years and imho played a relevant role in making it succeed. Still, I would never sign an open letter to a government body proclaiming to 1.7×0653559
66Dec 22, '21I've been pondering how to formulate what web3 is (for me): Web3 is a rebellion against the lies of web2, against a co-opted internet, against people who build tech to abuse users 1.7×05147743
67Nov 26, '21We've just merged into go-ethereum master 2 gigantic prep works for the merge. The last outstanding huge PR is the beacon sync; and then it's testing and party time! #golang #Ether1.6×0561838
68Aug 23, '22Aaand our latest release is borked. 😕 Geth 1.10.22 contains a regression that causes the trie/state to go bad. Most probably it's one of the PRs we've merged towards the new stora1.6×05236714
71Aug 26, '22We've been saying it since Devcon IV. Either the state gets pruned, or you will end up with nobody running home nodes. Everyone went crazy at the thought of state rent. Alexey almo1.6×04317239
72Mar 24, '22You know what makes a dev feel good? Invite them to your conference! Not to speak, since that's more work (although if they want, even better!), rather just to be there and chat. T1.6×0642297
73Jun 1, '22Hey world! 👋 It feels odd that I have to tell you this, but blockchains aren't here to take your lunch. We don't want to replace the way you do you. We want to extend what's possi1.5×0568618
74May 16, '22FYI, deprecating Rinkeby does have a personal sting for me too. I spent an enormous amount of time monitoring and maintaining it. At some point I spend my last holiday night (from 1.5×05422013
76Dec 21, '21What is Web2? Take something that already exists and rub some privacy violation on top. Then lobby the shit out of it.1.4×0471756
77Feb 7, '21Wrt #Ethereum gas limit, I'm against raising it because any adverse effect is dumped on the same 4 people that have been maintaining the network for the past 6 years. If you want m1.4×03904919
79Apr 22, '20Today's my 5 year anniversary at #Ethereum 😱1.3×0577161
80Mar 18, '22Did you know Geth's master branch is ready for The Merge? Now you do! #golang #Ethereum That said, we *are* still tweaking and optimizing things so there's always a chance of break1.3×0457735
81Apr 22, '22Tried to get into the ETHAmsterdam hackathon to look around. Was told only hacker are allowed in. 🙈1.3×0514175
82Aug 23, '21It took me a long time to figure out that "this code is shitty" also entails the assumption that I am smarter than the one who wrote it. If you accept that the other person is also1.3×04525320
83Aug 11, '22The Merge will be the first Ethereum event where the Geth team will try to have a full presence under the same roof to celebrate (or hotfix 😜) It was annoying to miss Frontier, go1.3×0540162
84Aug 21, '21The moment the #Ethereum rough-consensus governance gets taken over by plutocratic coin voting, you also have my resignation. I refuse to be a pawn of the highest bidder. You can m1.3×04434215
85Aug 6, '20Seriously, @etherscan is possibly one of the most critical components of #Ethereum. Thank you for doing this awesome work for years on end.1.2×0462493
86Jul 21, '22The moment when everyone clones the EVM to leach away value from #Ethereum but then go all Pikachu when Ethereum's EVM keep evolving further :) The EVM is made for Ethereum. Anyone1.2×04065012
87Oct 11, '19Japan, you amaze me. Was standing alone in the rain waiting for a taxi. A lady came and held her umbrella for me. Wanted to gift it to me so I don't get soaking wet. Never ever exp1.2×0495234
88Aug 16, '22. @vdWijden's last PR finally enables The Merge on #Ethereum mainnet. Give him some internet glory points :)1.1×0379634
91Oct 12Two years of my life, open for you to play with 🤓1.1×11k104324
92Nov 18, '21. @Sothebys auction house accepting Ether 🤯1.1×0416333
94Mar 20, '22Ever so often the question surfaces as to how much should core devs make. It is a subjective matter. My take is that a dev having helped build #Ethereum shouldn't become a billiona1.1×04032411
95Feb 11, '22Have you forked Geth? Have you YOLOed the code and test in prod? For a limited time only, the Geth team is willing to audit your code for half price! Only $1M per bug found!* *Term1.1×0401299
96Sep 15, '22Shoutout to @vdWijden and @parithosh_j (among tens or hundreds more), you guys made today happen.✨1.1×0427323
97Apr 28, '22My main takeaway of @EFDevconnect is that working remotely is nice, but without a frequent, in person social interaction within and between teams; it breaks down. Ethereum needs to1.0×0398284
98Dec 4, '21Well, today wasn't the brightest day for crypto. The nice thing is, that work gets done independent of what the market says. Geth's next version will see - given that your bandwidt1.0×0410212
99Dec 23, '21Me: Oh hey, SpaceX is so awesome, can I invest? Web2bro: No IPO, we're protecting you! Yo Google, want 10% for cheap? Me: Oh hey, Ethereum seems awesome, can I invest? Web2bro: You1.0×0392335
100Sep 14, '22Prepping for the big day 😅 #Ethereum1.0×0394240
101Aug 13, '21This is good for #Ethereum0.9×0397150

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