Are Bitcoin and Ethereum Quantum Resistant?
Key Takeaways
Neither Bitcoin nor Ethereum is quantum resistant today. Both rely on ECDSA over secp256k1, the signature scheme a sufficiently powerful quantum computer could break using Shor's algori

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Harvest Now, Decrypt Later: How Quantum Computers Threaten Exposed Crypto Public Keys
Key takeaways
Harvest now, decrypt later is already underway. Attackers do not need a quantum computer today; they can collect exposed blockchain public keys now and wait until future quantum hardwar

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What Is Q-Day, and Can Crypto Survive It?
Q-Day is the moment a quantum computer becomes powerful enough to break the public-key cryptography used across modern digital systems.
For cryptocurrency, that means something very specific: a future

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Where Is the ABI? Also, Why Is My Cell Dead?
Where Is the ABI? Also, Why Is My Cell Dead?
A notes app should not send you into an identity crisis.
You type something. You click save. Somewhere, some database politely updates itself. If you come

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Shor’s Algorithm Explained: Can It Break Bitcoin?
Shor’s algorithm is one of the main reasons quantum computing is treated as a serious long-term threat to modern cryptography.
Most public-key cryptography relies on a simple asymmetry: some mathemati

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How to Protect Your Crypto from Quantum Computing
For years, the need to protect cryptocurrency from quantum attack felt like a distant problem. Today, that timeline is shrinking fast. In 2026, Google Quantum AI researchers published a whitepaper wit

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Top Quantum Resistant Cryptocurrency Projects in 2026
Fault-tolerant quantum computing represents a long-term security challenge for major blockchains. Most legacy networks still rely on elliptic-curve cryptography, including ECDSA, EdDSA, or related sig

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Blockchain Crypto Agility: CKB’s Key to Quantum Safety
Key Takeaways
Quantum computing threatens the public-key cryptography that most blockchains currently rely on for security.
The real blockchain security problem is not only quantum resistance, but cr

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Quantum Resistance in Blockchains: Preparing for a Post-Quantum Computing World
As the field of quantum computing rapidly advances, concerns are growing about the potential impact of these powerful machines on the security of blockchain networks. Quantum computers, with their abi

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How Bitcoin's Path to Quantum-Resistance Could Look
For nearly two decades, Bitcoin’s security has rested on a simple mathematical assumption: that reverse-engineering a private key from a publicly visible public key is practically impossible. This fou

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CKBuilders: A new generation of blockchain creatives on CKB
CKB, the Common Knowledge Base, is the Layer 1 blockchain of Nervos Network. Built on a secure Proof-of-Work consensus and designed with flexibility in mind, it provides developers with a foundation f

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Unlocking CKB Liquidity: A Deep Dive into the iCKB Protocol
One of the defining features of CKB (the Common Knowledge Base) is the NervosDAO, a built-in staking mechanism that lets CKByte (also referred to as CKB) holders earn passive rewards by locking their

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Becoming Money: Stablecoins as the Next Necessary Step in Bitcoin’s Journey
Anyone with genuine skin in the game who has tried to understand Bitcoin and its broader significance intimately knows what it's like to fall victim to the Dunning-Kruger effect. After the first dozen

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The Case For RGB++: A New Approach to Bitcoin Scaling
The realization that Bitcoin would require additional scaling was made years before the network would struggle with anything resembling a congestion issue. In 2010, less than a year after Bitcoin went

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Web5: Extra Decentralized
As one of his first forays into crypto, Twitter's founder Jack Dorsey sought to build TBD—a new identity and trust layer for the Internet—intended to run exclusively on peer-to-peer rails, integrated

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The Ultimate Guide to RGB, RGB++, and Client-Side Validation
The rise in popularity of ordinals, inscriptions, and BRC-20 tokens over the last two years has made it abundantly clear that crypto users want tokenized assets on Bitcoin.
Ethereum's smart contract e

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Bitcoin vs. CKB: Two Approaches to Achieving Sustainable Security
Every four years, typically in the six months preceding the halving, the debate around the sustainability of Bitcoin's security model gets reignited.
The discussion can be summed up in two opposing ar

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How to Optimize Layer 1 Blockchains for Modularity
One strand of thinking that has become popular in crypto land recently is that the only way for blockchains to solve the Scalability Trilemma—or obtain the trifecta of high security, decentralization,

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Surprisingly, Secondary Issuance is not Inflationary
Normally, when we analyze the emission model of a coin such as CKB, we usually only consider the theoretical total number of coins issued over time, i.e., the emission curve. However, this does not fu

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A Deep Dive Into the Tokenomics of Nervos Network
The unique tokenomics of Nervos have been specially designed to ensure platform sustainability

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Where we're going, we don't need Accounts: the Future of Onboarding
In the 14 years since the inception of Bitcoin, blockchain development shifted through multiple stages, each reflecting the evolving needs and challenges faced by the industry at the respective times.

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Understanding the Nervos CKB Issuance Model
Bitcoin’s most important value proposition in the economic sphere is its fixed issuance policy, since it is not subject to any change, and at the same time predictable, as long as we know how much and

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Common Knowledge Base (CKB): a Blockchain Developer’s Dream
Any prospective blockchain developer that has tried building decentralized applications has quickly realized that the current blockchains offer rather inflexible development environments. Building app

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Pi400 Ubuntu Node Setup Guide
How to run a CKB node on a RaspberryPi 400 with Ubuntu desktop 22.04
Running a node on a RaspberryPi can be a fun, efficient way of helping to decentralise the Nervos Network. Old pro's have probably

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Nervos DAO — Withdrawal Process Explained
To understand how Nervos DAO works, you must first know that it works through cycles, and that each of these cycles are 180 epochs. On the Nervos network, each epoch has an estimated time of 4 hours.

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Nervos: An In-Depth Overview of a Blockchain Network Built for Modularity
This article seeks to be the be-all and end-all resource for the underlying architecture and value proposition of the Nervos network.
Nervos is a modular blockchain network built from the ground up to

nervos
Common Knowledge Base (CKB): Understanding Our Ethos
An essay on time preference and building future-proof blockchains.
The remarkable speed of change in the blockchain industry has increasingly been steering the space toward high time preference thinki

nervos
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What Is an Eclipse Attack in Blockchain Networks?
A blockchain network is a distributed system of nodes—computers connected via the internet—that communicate with each other to share information about transactions and blocks. This peer-to-peer (P2P)

blockchain
Unlocking CKB Liquidity: A Deep Dive into the iCKB Protocol
One of the defining features of CKB (the Common Knowledge Base) is the NervosDAO, a built-in staking mechanism that lets CKByte (also referred to as CKB) holders earn passive rewards by locking their

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How to Check Smart Contract Security: A Complete Guide
Smart contracts are the backbone of decentralized finance, gaming, NFTs, and more. They manage billions of dollars and run autonomously on blockchains like Ethereum. But despite their widespread use,

education
What Are Sniper Bots in Crypto Trading? A Complete Guide
In the high-stakes world of crypto trading, timing isn't just important—it's everything. Markets move fast, and fortunes can shift in seconds. But some players aren't just fast; they're automated. Sni

education
What Are Native Rollups? A Complete Guide
Rollups emerged as the most viable way to scale Ethereum without compromising its core values. They allow computation to happen off-chain while data and security remain anchored to Ethereum. But now,

scaling
What is Danksharding? Ethereum Data Sharding Solution
Ethereum has a scaling problem. As more users and applications flock to the network, blockspace demand continues to outpace supply. Gas fees rise, congestion grows, and the dream of a fast, global set

scaling
What Are Based Rollups? A Complete Guide
Ethereum, as a leading smart contract platform, has long struggled with scalability. Rollups emerged as a promising solution, offloading transaction processing from the base layer and significantly re

scaling
Unbreakable SHA-256: Why Even Quantum Computers Cannot Do It
At the heart of this cryptographic ecosystem lies SHA-256, a hash function that has become synonymous with trust in modern technology. From Bitcoin’s blockchain to government-grade security protocols,

cryptography
What is a Hashed Timelock Contract (HTLC)?
HTLCs ensure that a transaction only takes place if certain predefined conditions are met. Specifically, they employ cryptographic techniques and time-based restrictions, ensuring the safety and fairn

education
Cross-Chain Solutions: A Complete Guide
Traditional blockchain networks typically operate in isolation, making them incapable of directly communicating or transacting with other blockchains. Imagine blockchain networks as separate islands,

interoperability
What are Blockchain Transaction Fees?
These transaction fees compensate the network participants, commonly known as miners or validators, for processing, validating, and recording transactions onto the blockchain ledger. Understanding blo

education
What is the Longest Chain Rule in Bitcoin and Blockchain?
The “longest chain” rule was introduced with Bitcoin as part of Satoshi Nakamoto’s design to solve the double-spending problem in a peer-to-peer network.
In simple terms, this rule dictates that node

bitcoin
Becoming Money: Stablecoins as the Next Necessary Step in Bitcoin’s Journey
Anyone with genuine skin in the game who has tried to understand Bitcoin and its broader significance intimately knows what it's like to fall victim to the Dunning-Kruger effect. After the first dozen

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What Is a Block Builder in Blockchain?
Blockchain technology, often hailed as one of the most transformative innovations of the 21st century, powers an ever-growing ecosystem of decentralized financial services, supply chain management sol

The Case For RGB++: A New Approach to Bitcoin Scaling
The realization that Bitcoin would require additional scaling was made years before the network would struggle with anything resembling a congestion issue. In 2010, less than a year after Bitcoin went

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What is Proposer-Builder Separation (PBS) in Ethereum?
Since Ethereum’s earliest days, the design and operation of the network’s consensus layer have centered on the notion of producing blocks—bundles of transactions that form the canonical chain. Over ti

Web5: Extra Decentralized
As one of his first forays into crypto, Twitter's founder Jack Dorsey sought to build TBD—a new identity and trust layer for the Internet—intended to run exclusively on peer-to-peer rails, integrated

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What is a Digital Signature in Blockchain?
A digital signature in blockchain technology is a cryptographic seal that confirms the authenticity and integrity of digital data, much like a handwritten signature validates a document.
Unlike tradit

What Does Determinism Mean in Blockchain?
Determinism in blockchain technology refers to the principle that every participant in a decentralized network, when given the same inputs and conditions, will arrive at an identical, verifiable outpu

What Are Validity Proofs in Blockchain?
As blockchains grow more intricate and their applications more diverse, the need for robust verification mechanisms has become paramount. Validity proofs, leveraging advanced cryptographic techniques,

What Are Fraud Proofs in Blockchain?
Ensuring the validity of transactions is a cornerstone of maintaining the integrity and security of a blockchain network. Fraud proofs are a critical mechanism in this task, particularly in scaling so

What Are Blobs in Ethereum? Scaling Blockchain Data Storage
Blobs have become a critical part of the Ethereum community's continuous quest for scalability and efficiency. Introduced as part of Ethereum's ongoing upgrades, particularly through the Ethereum Impr

Chain Abstraction: Bringing Web2’s User Experience to Web3
While using blockchain technology has never been an outstanding experience, the recent proliferation of numerous blockchains, sidechains, state channels, and rollups has made it even worse. In fact, t

abstraction
What is Data Availability in Blockchain?
Introduction
Blockchain technology has fundamentally changed how we think about digital transactions, trust, and decentralization. By allowing secure and transparent transactions without the need for
