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 a Blockchain Gas Fee?
In the ever-evolving world of cryptocurrencies, the term "gas fee" has become a focal point of discussions, especially for those venturing into the Ethereum ecosystem. As transactions and smart contra

blockchain
What is Transaction Confirmation in Blockchain?
When a transaction is initiated, it is broadcasted to the network, where it awaits confirmation. During this process, network participants, known as miners in Proof-of-Work-based cryptocurrencies like

education
What is Mempool in Cryptocurrency? A Complete Guide
Every time someone sends or receives a cryptocurrency, a transaction is initiated. But where do these transactions go before they're settled? Enter the “mempool”—a crucial yet often overlooked compone

blockchain
Understanding Sybil Attacks and Consensus Mechanisms in Blockchain
This security threat, combined with the need for consensus in a decentralized environment, underscores the importance of robust Sybil resistance mechanisms to ensure the integrity and security of bloc

consensus
What is State Bloat in Blockchains?
This phenomenon, while not immediately apparent, can have significant implications for the performance, scalability, and usability of a blockchain network. This article aims to demystify state bloat,

blockchain
Blockchain Computation vs Verification: The Essential Guide
This article aims to delve deeper into these concepts, highlighting the differences between blockchain computation and verification and their respective roles in maintaining the integrity and function

modular
What is State and How State Changes Work in Blockchain?
What is State in Blockchain?
At its core, the "state" in blockchain refers to the current status or snapshot of all data stored within the system. This includes but is not limited to account balances,

blockchain
What is RISC-V? A Revolution in Processor Architecture
As an open-source hardware instruction set architecture (ISA), RISC-V is changing the rules of the game, offering a level of customization and flexibility previously unseen in the processor market. If

risc-v
What is the Difference Between a Miner and a Full Node?
What is a Miner?
In the cryptocurrency world, miners are akin to gold miners in the real world, sifting through the void in search of extremely rare valuable nuggets - in this case, a proof of work th

mining
What is a Hard Fork and a Soft Fork in Cryptocurrencies?
This article will explain what a hard fork and soft fork are, their key characteristics, significance in the blockchain ecosystem, and provide real-world examples to illustrate these important concept

blockchain
Crypto Mining Hardware Explained: CPU, GPU, and ASIC Miners
In simple terms, crypto mining refers to the computational process through which new cryptocurrencies are introduced into circulation and transactions are confirmed on the blockchain. It forms the bac

mining
Mining Pools: Boost Your Cryptocurrency Mining Success
A cryptocurrency mining pool combines computational resources from multiple miners across a network to increase the probability of earning block rewards. These rewards are then distributed among parti

pow
What is a Seed Phrase? Your Key to Cryptocurrency Protection
Among the key tools to secure digital assets, seed phrases play a critical role for anyone using cryptocurrency wallets. This article aims to explain what a seed phrase is and why it's crucial for pro

wallet
Cryptocurrency Mining Difficulty: How It Works and Adjusts
Mining, in the cryptocurrency context, is the process by which new digital currency coins are generated, and transactions are confirmed and added to the blockchain public ledger. However, mining is no

pow
The Ultimate Guide to Blockchain Light Clients
While decentralization may be the fundamental property of blockchains, it isn't an end goal in itself. Instead, it's pursued—often at the expense of other desirable properties like scalability—for the

node
What is a Multi-Signature (Multisig) Wallet in Blockchain?
As digital currencies continue to gain traction, the need for secure transactions and storage solutions has become more pronounced than ever. One such solution that has emerged in response to this nee

wallet
What are Blockchain/Cross-Chain Bridges?
While these networks have brought about significant innovation, their fragmentation has also created siloed environments, hindering their collaboration and interoperability. Blockchain bridges, also k

interoperability
What is a Cold Wallet? The Ultimate Guide to Secure Cryptocurrency Storage
Cryptocurrency, a form of digital or virtual currency, operates independently of a central bank and uses encryption techniques to regulate the generation of units and verify transactions. This innovat

wallet
A Primer on BFT Consensus Mechanisms in Blockchain
A blockchain is a decentralized, distributed ledger that records transactions across a multitude of computers in a manner that prevents the retroactive alteration of confirmed transactions. This techn

consensus
What is a Light Client in Blockchain Technology?
At the heart of this technology are blockchain clients, which play a crucial role in maintaining the integrity and functionality of the blockchain network. Among these clients, light clients have emer

node
What is a Non-Custodial Crypto Wallet?
Cryptocurrency wallets come in various forms, each with unique features and benefits. Among these types of wallets, self-custody or non-custodial wallets stand out for prioritizing user control, priva

wallet
A Deep Dive into Decentralized Storage Systems
The digital age has ushered in an era of unprecedented data generation, with individuals, businesses, and institutions producing and consuming vast amounts of information every day. Traditional centra

blockchain
What is SHA256? The Most Used Hash Function in Blockchain
Widely recognized as the most used hash function in cryptocurrencies like Bitcoin, SHA256 ensures data integrity, powers digital signatures, and secures communication protocols. In this article, we’ll

cryptography
What is Keccak256? The SHA-3 Hash Function Behind Ethereum
Developed as part of the Keccak family of hash functions, Keccak256 was selected as the NIST hash function competition winner and later standardized as SHA-3 (Secure Hash Algorithm 3).
A Brief History

cryptography