The History of Bitcoin Upgrades (Why It "Evolves So Slowly") 1️⃣ 2009: Bitcoin Goes Live • Genesis block mined by Satoshi Nakamoto • Core innovations: Decentralization + PoW + Immutable Ledger The goal wasn’t to be “fast,” but to not rely on anyone ⸻ 2️⃣ 2010–2014: Just One Goal—Survive • Fixed critical bugs (once almost led to infinite minting) • No roadmap, no funding, no marketing team At this stage: Survival was the victory ⸻ 3️⃣ 2015–2017: The Scaling Wars • 1MB blocks → congestion → skyrocketing fees • Community split: • One side wanted “bigger blocks” • The other wanted to “preserve decentralization” ⸻ 4️⃣ 2017: SegWit • Soft fork upgrade • Fixed transaction malleability • Indirect scaling + paved the way for Layer 2 Result: Bitcoin chose “slow + steady” No compromise → BCH hard-forked away ⸻ 5️⃣ 2018–2020: Lightning Network • Main chain = settlement layer • Layer 2 = payment layer • Fast, low-fee, off-chain transactions Strategic shift: No longer chasing performance on L1 ⸻ 6️⃣ 2021: Taproot • Schnorr signatures • MAST • Improved privacy & smart contract capabilities Regular transactions ≈ Multi-sig ≈ Complex conditions All look the same on-chain ⸻ 7️⃣ 2023: Ordinals / Inscriptions • Images, data, tokens written into sats • Higher fees, increased miner revenue • Huge controversy But the key fact is: Allowed by protocol ≠ Exploit ⸻ 8️⃣ Bitcoin’s Upgrade Philosophy • Extremely slow • Extremely conservative • Almost exclusively soft forks • Not chasing DeFi / high TPS It’s not an app It’s the global value settlement consensus ⸻ 9️⃣ One Sentence Summary Ethereum is like an operating system Bitcoin is like a mathematical theorem Once a theorem is proven, it shouldn’t be changed frequently.