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

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Understanding Bitcoin Layer 2 with RGB++ Protocol
Since the introduction of Ordinals & Inscription on Bitcoin, it has brought further traffic and attention to the Bitcoin network. While protocols like Ordinals significantly enhance the programmabilit

btckb
What are Opcodes in Blockchain? A Comprehensive Guide
Tracing back to the early days of computing, these codes have evolved significantly, finding a pivotal place in blockchain technology. In blockchains, opcodes act as the building blocks of smart contr

What are Blockchain Oracles? A Complete Guide
Blockchain oracles serve as the essential bridge between this enclosed digital domain and the vast, dynamic expanse of real-world data.
The Oracle Problem in Blockchain
The “Oracle Problem” in blockch

What are Privacy Coins, and How Do They Work?
This article delves into the intricate world of privacy coins, focusing particularly on Monero and ZCash, to unravel how they champion the cause of digital anonymity.
What are Privacy Coins?
Privacy c

What are Wrapped Tokens in Cryptocurrency?
This article explores what wrapped tokens are, how they function, their benefits, and their significance for the future of decentralized finance (DeFi).
What Are Wrapped Tokens?
Cryptocurrency is buil

The Ultimate Guide to Bitcoin Ordinals and Inscriptions
Last year, we saw an unexpected trend emerge on the Bitcoin network—one that angered and surprised many Bitcoin purists but also ignited hope and enthusiasm amongst the broader crypto community for th

bitcoin
What are Airdrops in Cryptocurrency? A Complete Guide
This article unravels their definition, purpose, types, and the dynamics they introduce in the cryptocurrency market. Designed for both novices and seasoned crypto enthusiasts, this piece aims to demy

What is RIPEMD160? The Cryptographic Hash Function Explained
Developed by Hans Dobbertin, Antoon Bosselaers, and Bart Preneel in the early 1990s, RIPEMD160 stands for “RACE Integrity Primitives Evaluation Message Digest” with a digest size of 160 bits. Despite

What are Precompiles in Blockchain Technology?
These precompiled contracts enhance blockchain efficiency by handling complex operations at the protocol level rather than through standard smart contracts. This guide explores what precompiles are, h

account abstraction
What is a Passkey? A Secure Alternative to Passwords
What is a passkey? Simply put, it's a modern authentication method that eliminates traditional passwords in favor of more secure cryptographic techniques. Let's explore how passkeys work, their benefi

account abstraction
What is WebAssembly (WASM)? A Complete Guide
Originating as a collaborative effort among major browser vendors, WASM is an open standard that enhances web applications' performance and capabilities. It's a low-level, assembly-like language with

vm
What is WebAuthn? The Future of Secure Online Authentication
Born out of a collaboration between the World Wide Web Consortium (W3C) and the FIDO Alliance, WebAuthn is a specification of a JavaScript API. This innovation allows for secure, passwordless authenti

education
What are Testnet and Mainnet in Blockchain?
In this article, we'll examine what testnet and mainnet are and explain their critical roles in blockchain development and operation.
Introduction to Mainnet and Testnet in Blockchain
Simply put, a ma

education
Merkle Patricia Trie: Essential Cryptographic Data Structure
These structures, often cryptographic in nature, form the backbone of many blockchain systems, ensuring that data remains tamper-proof and verifiable. Among these, the Merkle Patricia Trie stands out

education
The Ultimate Guide to Payment Channels and Payment Channel Networks
As things currently stand, most (micro) payments in the traditional financial system are settled via specialized payment processing companies like Visa and Mastercard, essentially Layer 2 networks bui

scaling
What's the Difference Between Block Subsidy and Block Reward?
Among the many terminologies and concepts inherent to this world, two terms that often arise are "block subsidy" and "block reward." These two concepts, while seemingly interchangeable, have distinct

education
What are Schnorr Signatures and Their Use in Blockchain?
Among the myriad of digital signature schemes, Schnorr signatures are a pivotal cryptographic innovation, blending theoretical soundness with practical utility. This article ventures into the intricac

cryptography
What are BLS Signatures and Their Use in Cryptocurrency?
One of the keystones that hold this domain together is the cryptographic signature, a technology that underpins transaction verification and some consensus mechanisms.
Among these cryptographic signat

consensus
What’s the Difference Between Crypto Miners and Validators?
As we delve into the nuances of these mechanisms, we'll unravel the roles, operations, and distinctions between miners and validators, paving the way toward a deeper understanding of the cryptographic

mining
What is Block Time in Blockchain? A Complete Guide
An important concept within this technology is “block time”, which plays a vital role in the operation and efficiency of blockchain networks. This article aims to unravel the concept of block time, it

education
What is Slashing in Proof-of-Stake (PoS) Blockchains?
PoS offers a greener, more efficient solution to the problem of achieving consensus in a decentralized network. At the heart of PoS lies a mechanism known as slashing, which ensures the network's inte

consensus
Bitcoin Script: A Comprehensive Guide
This article delves deep into the intricacies of Bitcoin Script, shedding light on its significance, technical aspects, historical evolution, and much more.
What is Bitcoin Script?
Bitcoin Script, oft

bitcoin
What is Secp256r1?
The Secp256r1 curve is a common elliptic curve used in cryptographic applications for digital signatures. It is based on the mathematical properties of elliptic curves and operates in a finite field o

cryptography
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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