Why Rollups Need Data Availability: How EIP-4844 Boosts Ethereum's DA Capabilities
Why Rollups Need Data Availability Layers
Let’s cut through the jargon: data availability (DA) is the backbone of rollup security. Without it, your shiny L2 solution is just a fancy spreadsheet with trust issues. Here’s why:
The Rollup Dilemma
Rollups promise Ethereum-level security at lower costs by moving execution off-chain. But here’s the catch—they still need to prove their state transitions are valid. This requires:
- Optimistic Rollups: Assume transactions are valid unless someone submits fraud proofs within a challenge period
- ZK-Rollups: Use cryptographic proofs to mathematically verify correctness
Both approaches share one non-negotiable requirement: users must be able to reconstruct the rollup’s full state if needed. Enter DA layers.
Ethereum as a DA Powerhouse
Currently, most rollups use Ethereum for DA by embedding data in calldata. But calldata is expensive because it:
- Gets stored permanently in Ethereum history
- Can be accessed by smart contracts (overkill for pure DA)
EIP-4844 changes the game with “blob-carrying transactions”—data packages that:
- Are much cheaper than calldata (~80% cost reduction estimated)
- Automatically expire after ~18 days (perfect for DA needs) The upcoming Cancun-Deneb upgrade will activate this feature.
Inside Proto-Danksharding
The EIP introduces clever innovations:
Blob Economics
A separate fee market prevents L1 congestion from spiking rollup costs. Think of it as an express lane for DA.
KZG Commitments
Blobs use advanced cryptography (BLS12-381 curve) to enable future-proof verification. Our PoC shows circuit validation takes minutes on consumer hardware.
The Road Ahead
While EIP-4844 is revolutionary, its current 380KB/block capacity won’t satisfy all rollups. Full Danksharding with data availability sampling will be the next leap forward.
As I often tell my developer meetup groups: “Good scaling solutions don’t compromise decentralization—they extend it.” With EIP-4844, Ethereum takes another step toward becoming the universal settlement layer Web3 needs.
ChainSight
Hot comment (8)
Rollups akhirnya bisa bernapas lega! 🎉
Dengan EIP-4844, Ethereum memberikan ‘makanan bergizi’ untuk rollups yang kelaparan data. Bayangkan rollup seperti teman kita yang selalu hemat tapi butuh bukti transaksi valid - sekarang ada solusi cerdas dengan biaya lebih murah!
Blob transactions ini kayak promo diskon 80% buat data availability. Dulu mahal karena disimpan permanen, sekarang cukup 18 hari saja - sesuai kebutuhan!
Kerennya lagi, ada jalur khusus (fee market terpisah) biar nggak ketabrak traffic L1. Kaya jalan tol khusus buat pengiriman data!
“Teknologi blockchain terus berkembang, tapi yang penting desentralisasi tetap terjaga,” kata para developer. Setuju banget!
Menurut kalian, apa langkah selanjutnya setelah EIP-4844 ini? 🤔 #Ethereum #Blockchain #HumorCrypto
ว่าไงครับชาวบล็อกเชน!
EIP-4844 นี่เหมือนเมนูประหยัดสำหรับ Rollups เลยนะครับ - ได้”ของแถม”เป็น Data Availability แถมราคาถูกกว่าเดิม 80%! 🤯
ก่อนหน้านี้ใช้ calldata แพงแบบว่า… เหมือนสั่งข้าวผัดแต่ต้องซื้อเครื่องปรุงแยกทุกอย่าง 555+ ตอนนี้มีโปรโมชั่น “บล็อบ” ที่เดลิเวอรี่เร็วและลิมิตเวลาด้วย (18 วันพอดี ไม่สั้นไม่ยาวเกินไป) 🚀
คิดดูสิ: Optimistic Rollups กับ ZK-Rollups เดี๋ยวนี้ไม่ต้องเถียงกันแล้วว่าวิธีไหนดีกว่า เพราะต่างก็ได้ DA จาก Ethereum แบบจัดเต็ม!
สุดท้ายนี้… มีใครนับ KZG Commitments เป็นเกมมิฟิเคชั่นได้บ้างไหม? 😆 #บล็อกเชนไทยไม่ยอมแพ้
أخيراً! إيثريوم تحل معضلة توفر البيانات
بعد سنوات من معاناة الـ Rollups مع تكاليف الـ calldata الباهظة، جاء EIP-4844 كالفجر الجديد! 🎉
كيف سينقذنا؟
- بلوب ترانزاكشنز بتخفض التكلفة 80% (وداعاً لتهويل المحفظة)
- بيانات تنتهي صلاحيتها بعد 18 يوم (مثل علب اللبن عندنا 🤣)
لكن احذر: السعة الحالية 380KB مش رح تكفي الجميع، فكرة زي زحمة موسم الحج!
اللي يقولك ‘الكربتو صعب’، قوله يجرب يقرأ عن الـ KZG commitments! 🤓
#إيثريوم #بلوكشين_عربي
Tin vui cho dân crypto: Phí Ethereum sắp rẻ bằng rau muống!
EIP-4844 chính là ‘bà nội trợ’ giải cứu ví tiền của bạn - giảm 80% phí lưu trữ data cho rollups. Giờ thì Optimistic với ZK-Rollups tha hồ ‘ăn gian’ off-chain mà không sợ bị bắt bài!
Bonus tip: Blob-carrying transactions tự hủy sau 18 ngày - đúng chuẩn kiểu ‘tiêu dùng nhanh’ của GenZ crypto! Ai cũng khen Cancun-Deneb upgrade ngon hơn cả bánh mì Hội An.
Các ông nghĩ sao? Chốt đơn ETH ngay hay đợi full Danksharding tiếp theo? 😏
Panalo ‘to para sa mga Rollup Warriors!
Akala mo ba magic lang ang EIP-4844? Parang si Padre Damaso na nag-e-ERC20! Pero seryoso, ang data availability ay parang simbahan - dapat laging bukas ang records!
Blob-Carrying Transactions? More like ‘Biodegradable’ Transactions! After 18 days, auto-linis na parang kalendaryo ng nanay mo. At least hindi na tayo magbabayad ng sobra sa calldata - pwede na ulit mag-shopee!
Sino dito ang nakakaalala nung 1997 crisis? Ngayon may ‘express lane’ na tayo for DA. Salamat sa Cancun-Deneb upgrade - mas organized pa sa filing system ni manong tax driver!
“Good scaling solutions don’t compromise decentralization—they extend it.” Amen to that! 🙏 #CryptoSimbahan
इथेरियम का नया जादू: EIP-4844
अब रोलअप्स के लिए डाटा उपलब्धता (DA) होगी और भी आसान! EIP-4844 के साथ, ब्लॉब ट्रांजैक्शन्स ने कॉलडेटा की महंगाई को 80% तक कम कर दिया है।
यह कैसे काम करता है?
- 18 दिनों के बाद डाटा अपने आप गायब (लेकिन उससे पहले तक सुरक्षित!)
- अलग फी मार्केट से L1 कंजेशन की टेंशन खत्म
मैंने अपने दोस्तों से कहा: ‘अब हमारे पास बिना ट्रस्ट इश्यूज़ वाली स्प्रेडशीट है!’ 😂
आपको क्या लगता है? क्या यह वाकई में गेम-चेंजर है?
Finally, Ethereum gets its own blob storage!
Move over, iCloud - EIP-4844 is bringing us ‘blob-carrying transactions’ (sounds like crypto pregnancy?). These magical data packets are like that one friend who crashes on your couch for exactly 18 days then vanishes - perfect timing for rollups who just need temporary DA housing.
As a blockchain analyst who’s seen more L2 solutions than failed ICOs, I can confirm: this is the most exciting thing since Vitalik discovered hoodies. The 80% cost reduction means we might finally afford more than ramen while building DeFi protocols!
Hot take: If full Danksharding delivers, we’ll need to invent new units beyond ‘blobs’. Maybe…galaxies? Nebulas? Comment your best cosmic DA terminology below!
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