Ethereum (ETH)

0/1 $ETH is the most underrated engineering story in crypto. Not the price. The protocol. 8 upgrades. 99.95% energy reduction. Fees down 99.99%. 37M ETH staked. L2s doing sub-cent transactions. Most people still can't explain how it happened🧵 https://t.co/FlMX83zbmr

1/ Frontier (July 2015): This is where it all started. Ethereum went live as a Proof-of-Work network with one big idea: A general-purpose state machine instead of Bitcoin's limited scripting. Why it mattered: -> 280,000+ ERC-20 tokens exist today because of the standard that emerged from Frontier -> 40+ of those are in the top-100 cryptos by market cap, $USDT, $LINK, $BNB -> The entire 2017-2018 ICO boom? 787 of the top ICOs ran on ERC-20 You're using the system built here every single day.

2/ Byzantium(October 2017): This one doesn't get enough credit. Byzantium added zk-SNARK precompiles directly into the EVM, dropping the cost of zero-knowledge proof verification from economically impossible to actually viable. Why it mattered: -> Before: verifying a zk-SNARK proof cost millions of gas. Unusable. -> After: ~1–2M gas per proof via EIP-196 and EIP-197 -> @Starknet, @zkSync, @0xPolygon zkEVM, @Scroll_ZKP, all of them trace their technical roots here The zk-rollup sector exists because of a 2017 upgrade most people forgot.

3/ Istanbul(December 2019): Istanbul basically made L2s economically possible. Calldata is how rollups post transaction data back to L1 for security. It was expensive. Istanbul solved that. Why it mattered: -> EIP-2028 cut calldata cost from 68 gas/byte -> 16 gas/byte, a 76% reduction -> @Optimism launched public mainnet December 2021, Istanbul's repricing was essential -> @Arbitrum launched August 2021, same story No Istanbul repricing, no viable L2 economics. Simple as that.

4/ London/EIP‑1559 (August 2021): This is the one everyone knows and honestly, it deserved the hype. Before London, 100% of tx fees went to miners. ETH had zero burn mechanism. London changed the entire fee structure. Why it mattered: > ~4.52M $ETH permanently burned since activation > @Uniswap alone burned 225,723 ETH, nearly 5% of all ETH ever burned > $45.9M worth of ETH burned in the first week alone Honestly, as of early 2026, ETH is net inflationary at ~0.23%/year. Dencun shifted activity to L2s and reduced L1 burn.

5/ The Merge (September 15, 2022): Probably the most technically complex live migration in blockchain history. Ethereum switched from Proof-of-Work to Proof-of-Stake with zero downtime. Mining eliminated. Validators replaced miners. Why it mattered: -> Energy consumption dropped ~99.95%, from 21 TWh/year to 0.0026 TWh/year -> ETH issuance fell from ~13,000 ETH/day (miners) to ~1,700/day (validators), 88% reduction -> $ETH became yield-bearing for the first time IMO this was the moment Ethereum stopped being Bitcoin but programmable and became its own thing entirely.

6/ Shanghai / Shapella (April 2023): Here's a question: would YOU stake ETH if you could never withdraw it? before Shanghai, that was the deal. ETH staked since December 2020 was locked with no exit. Shanghai unlocked it. Why it mattered: -> ETH staked jumped from ~18M (March 2023) -> 37.1M today, more than doubled in 2 years -> @LidoFinance alone holds 9.41M staked ETH, 27.7% of everything staked -> Staking went from a commitment to a choice. -> 31% of total $ETH supply is now staked.

7/ Dencun/EIP-4844 (March 2024): Biggest fee reduction in Ethereum's history. Dencun introduced blob transactions, dedicated temporary storage for rollup data, completely separate from L1 calldata pricing. Why it mattered: -> @Arbitrum fees: $0.60 -> $0.012 per tx -> @Optimism fees: $0.54 -> $0.009 per tx -> @Base daily transactions: +319.3% since launch -> 950,000+ blobs posted in the first months alone The honest trade-off: the same thing that made L2 cheap also moved activity off L1, cutting burn rates and tipping ETH back to mild inflation. Ecosystem won on scalability.

8/ Fusaka (December 3, 2025): Dencun made L2s cheap. Fusaka is making them scalable at a completely different level. 13 EIPs. The biggest upgrade in terms of included proposals in Ethereum's history and honestly, still underrated. The headline: PeerDAS (EIP-7594): Before Fusaka, every single Ethereum node had to download every blob in full to verify data availability. As blob count grows, that means more bandwidth, more storage, more hardware, which means validator centralization risk. PeerDAS fixed this and nodes now only need to download small random samples of each blob to verify it's available. Blob data is distributed across the network instead of replicated everywhere. Why it matters: -> Blob capacity target: 6 blobs (Fusaka) -> 10 (Dec 17) -> 14 (Jan 7, 2026), doubling in weeks -> Path to 128 blobs per block by maturity -> L2s can handle dramatically more volume without L1 nodes needing expensive hardware upgrades

8 upgrades. Each one a structural shift. Here's where $ETH stands today as a result: -> ~$54B DeFi TVL(> $100B peak TVL) -> ~37.2M ETH staked (record) -> ~4.62M ETH permanently burned -> ~99.95% energy reduction since The Merge -> L2 fees under $0.01 Next up: Glamsterdam, Hegotá, targeting execution layer, cross-L2 interoperability, and Verkle Trees for stateless clients.