Jeeya_Awan

@Walrus 🦭/acc focuses on reliability and trust. It ensures that even if the computers running the network change (nodes leaving/joining) or if someone tries to upload fake data, the system remains stable and honest.
I will give the practical example of "The Handover". Imagine a digital library where the staff (storage nodes) changes every 24 hours. This change is called an Epoch Change.
• The Problem (Churn): In most systems, when the old staff leaves and new staff arrives, there is a blackout period where you can't borrow books because the new staff is still organizing the shelves.
• The Walrus Solution: It uses a multi-stage transition. The Old Committee stays active while the New Committee is being set up. They pass the data baton smoothly so that users can still upload and download files without even noticing the staff change.
Let's take a look at defending against "Malicious Clients";
Walrus uses Authenticated Data Structures.
• Example: If a user tries to upload a file but intentionally omits a few pieces to break the system, the system detects it immediately.
• Why it matters: It prevents a bad actor from wasting the network's storage space or corrupting the data that other people are trying to read.
I also observed the performance at scale (Graph) and experimental evaluations show that as the number of nodes increases, Walrus doesn't slow down like traditional blockchains. Instead, its performance remains steady because of how it handles data.

To understand how Walrus handles Epoch Changes and Scaling practically, I'm giving you a concrete example and the data visualized in the graphs.

The first one was practical example of the Handover Transition.
Take a decentralized video streaming app as an example using Walrus. The network undergoes an Epoch Change (every week, the set of storage nodes is updated based on staking).
• The Scenario: At 12:00 PM on Sunday, the Old Committee (100 nodes) is scheduled to be replaced by the New Committee (100 nodes, some different).
• Traditional Failure: In older systems, the network might pause for several minutes to sync data, meaning a user watching a video would see a "Loading..." spinner or a 404 error during the switch.
• The Walrus Solution: Walrus uses a multi-stage transition. From 11:55 AM to 12:05 PM, both committees are active.
• Writes go to both.
• Reads can come from either.
• Result: The user watching the video never sees a glitch.
Now let's visualize the benefits;
1. Availability During Churn:
As I've shown you in the availability during Node Churn graph:
• Traditional Systems (Red): Experience a blackout or a massive drop in reliability during transitions because they haven't solved the synchronization problem during node swaps.
• Walrus (Green): Maintains a flat line of near-perfect availability. The Multi-stage protocol ensures that data is always reachable, even while the staff is changing.
2. Performance at Scale:
As I've shown you in the performance at Scale graph:
• Traditional Systems (Red): Often suffer from "coordination bloat." The more nodes you add, the more they have to talk to each other to stay in sync, which causes latency (delay) to skyrocket.
• Walrus (Green): Because of its decentralized architecture and authenticated data structures, adding more nodes doesn't slow it down significantly. It achieves practical performance, meaning it stays fast enough for real-time apps even as the network grows to hundreds or thousands of nodes.
#Walrus $WAL

Red stuff is the core of Walrus, uses a 2D mathematical grid to provide high security with low storage costs, allowing the system to self-heal by downloading only the tiny fraction of data that was actually lost..
(𝑂(|𝑏𝑙𝑜𝑏|/𝑛) versus 𝑂(|𝑏𝑙𝑜𝑏|) in traditional systems).
That statement describes the core efficiency and mathematical advantage of the Red Stuff protocol.
To understand why this is a superpower for decentralized storage, I found out that how it solves the repair bandwidth problem. The problem is why traditional systems Panic?
In standard 1D erasure coding (like Reed-Solomon), if a single storage node goes offline and its data is lost, a "repair" node usually has to:
1. Download fragments from many other nodes.
2. In many cases, it must download enough data to reconstruct the entire file just to fix one tiny missing piece.
This means the repair bandwidth is $O(|blob|)$—if the file is 1GB, you might move 1GB of traffic to repair just 10MB of lost data.
✓ The Solution: Red Stuff's 2D:
MagicRed Stuff organizes data into a two-dimensional matrix (rows and columns) and encodes it in both directions.
• Row & Column Encoding: Every sliver of data belongs to both a row and a column.
• Self-Healing: If a node fails, the system doesn't need the whole file. It can use the other dimension (e.g., the specific row peers) to reconstruct only the missing sliver.
• The Math: This reduces the bandwidth for a single node repair to $O(|blob|/n)$, where $n$ is the number of nodes. If I explain in simple terms, it would be that if you have 100 nodes, repairing a lost piece only requires about 1/100th of the total file's bandwidth, rather than the whole thing.

Let note on the 4.5x factor: While 4.5x sounds higher than some simple 1D schemes, it is mathematically tuned to provide Byzantine Fault Tolerance (BFT). This ensures the data is safe even if 1/3 of the storage nodes are actively malicious or trying to trick the system, which 1D schemes often struggle to handle without centralized help.

To visualize the impact of the Red Stuff protocol, focus at two specific areas: how repair costs scale as the network grows and how the storage overhead compares to other high-security methods.
1. The Scaling Advantage: Repair BandwidthIn traditional 1D erasure coding, repairing a lost fragment usually requires downloading a significant portion of the entire blob. This cost is constant, regardless of how many nodes are in the network.
As I mentioned in the first graph (Repair Bandwidth Efficiency):
• Traditional Systems ($O(|blob|)$): If you have a 1GB file, you might always need to download nearly 1GB of data to fix one small missing piece. This line remains flat and high.
• Red Stuff ($O(|blob|/n)$): Because of the 2D matrix structure (rows and columns), the bandwidth needed for repair drops as the number of nodes ($n$) increases. In a 100-node network, the repair cost is roughly 1/100th of the total file size. This makes the system "self-healing" without clogging the network.
2. The Storage Sweet Spot: 4.5x Replication:
While standard 1D erasure coding (like 1.5x overhead) is space-efficient, it often lacks the security guarantees needed for a truly decentralized, Byzantine Fault Tolerant (BFT) system.
As I mentioned in the second graph (Replication Factors):
• Full Replication: To achieve the same level of security (BFT) without erasure coding, you would need massive replication factors (often 20x or more), which is prohibitively expensive.
• Standard 1D Coding: Low overhead, but fails to provide efficient recovery under node churn and lower security thresholds.
• Red Stuff (Walrus): At 4.5x, it hits a Goldilocks zone. It is significantly cheaper than full replication but provides the high security and efficient recovery (the $O(1/n)$ bandwidth) that simpler coding schemes cannot.
✓ I make a visual representation of the 2D grid to imagine how the math works, think of the data organized in a square:

If Data E is lost, the system doesn't need to rebuild the whole square. It can simply look at Row 2 (Data D, F, and Parity 2) OR Column 2 (Data B, H, and Col P 2) to recover the missing piece instantly.
This "two-way" recovery is what enables the $O(|blob|/n)$ efficiency.
@Walrus 🦭/acc #Walrus $WAL

#Walrus is designed to handle blobs(large binary objects) more efficiently than traditional blockchain storage or existing decentralized networks like IPFS or Filecoin.
Let's see how this statement is correct; according to me, the first point is the trade-off problem. In distributed systems, you usually have to pick two: low cost, high reliability, or high speed. The second one is full replication, every node stores a copy. This is highly secure but incredibly expensive e.g., storing 1GB costs the price of 1,000GB if there are 1,000 nodes. And the third one is simple erasure coding, which breaks data into fragments. It saves space but often requires a massive amount of bandwidth to reconstruct the file if a few nodes go offline .
Now the question is how walrus addresses this?
Walrus uses a specific mathematical approach called "Redundancy Reduced Erasure Coding."
• Lower Overhead: It doesn't require 100% replication, significantly cutting storage costs.
• Efficient Recovery: It allows the system to reconstruct data even if a large portion of storage nodes are offline, without needing to download the entire file from the remaining nodes.
• Security: It integrates with the Sui blockchain to ensure that the storage nodes are held accountable and the data remains immutable.

Let's understand this with an example,

To better understand how Walrus improves upon existing systems, let's look at a practical example and the comparative data visualized in the charts above.
"The Example is of storing a 1 Terabyte (TB) Blob"
Imagine you want to store a 1 TB video file on a decentralized network with 100 storage nodes.
1. Full Replication (3x):
• Storage Used: 3 TB total (The file is copied 3 times).
• Cost: Very high because you pay for 200% extra space.
• Recovery: If one node goes offline, a new node must download the entire 1 TB to restore the replica.
• Reliability: Only 2 specific nodes can fail before the data is at risk.
2. Standard Erasure Coding (e.g., 10+4 Reed-Solomon):
• Storage Used: 1.4 TB total.
• Cost: Moderate (40% overhead).
• Recovery: If a node fails, the system must typically download fragments from 10 other nodes to reconstruct the missing data, creating a massive bandwidth spike during repair.
• Reliability: Can survive any 4 nodes failing.
3. Walrus (Advanced Coding):
• Storage Used: ~1.11 TB total.
• Cost: Very Low (only ~11% overhead).
• Recovery: Walrus uses specialized coding that allows a node to recover missing data by downloading only a tiny fraction of the file, making it highly efficient even when nodes frequently join and leave (churn).
• Reliability: Can survive up to one-third (33%) of the nodes failing simultaneously while remaining fully available.

✓ Storage & Bandwidth Chart: This graph illustrates the dramatic drop in both the physical space required (blue) and the network traffic needed for repairs (orange) when using Walrus.
✓ Fault Tolerance Chart: This shows how Walrus remains secure and available even if a large portion of the network (up to 1/3 of nodes) goes offline, whereas replication and simple coding schemes are much more fragile in large-scale decentralized environments.
@Walrus 🦭/acc $WAL

@Dusk , zusammen mit NPEX, hat sich mit Quantoz Payments zusammengetan, um EURQ nach Dusk zu bringen.
Quantoz Payments ist in den Niederlanden ansässig und arbeitet im selben Bereich wie wir; sie bringen regulierte Finanzdienstleistungen on-chain. Mit ihrer Infrastruktur ist Quantoz Payments einen Schritt näher daran, die Massenadoption von Dusk voranzutreiben. Sie konnten keinen besseren Partner finden! EURQ ist ihr digitales Euro, das vollständig den MiCA-Vorschriften entspricht und für regulierte Anwendungsfälle geeignet ist.
Dusk ist eine von drei Blockchains, auf der Sie EURQ nutzen können, und die einzige, die speziell für die native Ausgabe von Real World Assets entwickelt wurde und von Anfang an Compliance integriert hat.

@Dusk freut sich, eine Schlüsselpartnerschaft mit Cordial Systems bekannt zu geben, die einen wichtigen Schritt in Richtung eines vollständig auf Blockchain basierenden Finanzökosystems darstellt. Diese Partnerschaft repräsentiert einen entscheidenden Meilenstein in der Vision von Dusk für eine on-chain Finanzzukunft. Die rasche Verbreitung tokenisierter Vermögenswerte verändert die Kapitalmärkte, schafft neue Effizienz, Liquidität und Transparenz, und bei Dusk stehen wir an der Spitze der Entwicklung echter Lösungen für Institutionen.
• Cordial Systems: Strategischer Partner

@Dusk entwickelt sich zu einem dreischichtigen modularen Stack, der Integrationskosten und -zeiten senkt, während die Privatsphäre und die regulatorischen Vorteile, die das Netzwerk auszeichnen, erhalten bleiben. Die neue Architektur integriert eine Konsens-/Datenverfügbarkeits-/Settlement-Schicht (DuskDS) unter einer EVM-Ausführungs-Schicht (DuskEVM) und einer kommenden Datenschicht (DuskVM).
• Warum die Änderung?
✓ Es beschleunigt die Bereitstellung von Anwendungen.
✓ Die Integration mit Wallets, Bridges, Börsen und Dienstleistern ist schneller dank standardmäßiger Ethereum-Tools.