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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How Blockchains Empower AI Agents
Unlike traditional financial systems, blockchains are permissionless networks in which anyone or anything capable of generating cryptographic keys can create a wallet, hold digital assets, and transac

education
Introduction to L402: Lightning-Powered Payment Protocol for AI Agents
L402 is an innovative payment protocol developed by Lightning Labs that combines the Lightning Network with the HTTP 402 “Payment Required” status code, creating a system for pay-per-request access to

lightning
ERC-8004 Explained: Ethereum’s New Standard for AI Agents
ERC-8004 is a proposed Ethereum standard that establishes a unified, interoperable framework for AI agents operating onchain.
At its core, it defines how autonomous software agents can anchor identity

education
What Are DePINs (Decentralized Physical Infrastructure Networks)?
Decentralized Physical Infrastructure Networks (DePINs) are blockchain-powered systems that coordinate, fund, and operate real-world infrastructure through decentralized incentives rather than central

education
What Is Decentralized Computing? A Guide to Blockchain-Powered AI & GPU Networks
Decentralized computing refers to a distributed model of computing power in which processing resources such as GPUs, CPUs, and storage are contributed by independent participants rather than controlle

education
Introduction to x402: The Onchain Payment Gateway for AI and APIs
x402 appears at the intersection of two powerful transitions: the rise of artificial intelligence as an economic actor and the maturation of blockchain networks as real-time financial settlement layer

education
Verifiable Delay Functions (VDFs) Explained: Ensuring Fairness in Randomness
A Verifiable Delay Function (VDF), commonly abbreviated as VDF, is a cryptographic tool that produces a result guaranteed to take a specific amount of time to compute, yet can be verified almost insta

education
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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What Is Decentralized Cloud Storage?
Decentralized cloud storage is an emerging model for storing data across a distributed network of independent nodes rather than within the data centers of a single corporate provider.
Instead of relyi

education
What Are Stateless Clients?
A stateless client is a blockchain client that can verify transactions and blocks without storing the entire network's historical state. Rather than maintaining a local database of account balances, s

education
What Are On-Chain Reputation Systems?
An on-chain reputation system is a mechanism that derives trust signals directly from verifiable blockchain activity and uses those signals to evaluate the reliability, credibility, and contribution o

education
What Is Lattice-Based Cryptography? A Brief Guide to Post-Quantum Security
Lattice-based cryptography is a branch of modern cryptography that derives security from mathematically hard problems defined over geometric grids of points in high-dimensional space. It is widely rec

cryptography
What Is Blockchain as a Service (BaaS)?
Blockchain as a Service (BaaS) is a cloud-based service model that enables organizations to build, deploy, and operate blockchain applications without designing, configuring, or maintaining the underl

education
What Is Data Availability Sampling (DAS)?
Data Availability Sampling (DAS), a probabilistic verification technique, allows a node to verify that all data in a blockchain block is available without downloading the entire block. Instead of retr

education
Understanding Integer Overflow and Underflow Attacks in Crypto
An integer overflow or underflow attack is a class of software vulnerabilities that occur when a computer program performs arithmetic operations that exceed the maximum or minimum values a fixed-size

education
What Is a Finney Attack?
A Finney attack is a specific type of double-spending attack that can occur in blockchain-based payment systems, particularly those relying on Proof-of-Work (PoW) consensus mechanisms. In simple terms

education
What Is Oracle Extractable Value (OEV)?
Oracle Extractable Value, commonly referred to as OEV, describes the economic value that can be captured from the process of updating oracle data on a blockchain. Within decentralized finance (DeFi) e

education
What Is Proof-of-History (PoH)? A Brief Guide to the Cryptographic Clock Powering Solana
Proof-of-History (PoH) is a cryptographic technique designed to establish a verifiable, tamper-resistant sequence of timestamps for events in a decentralized system. Rather than requiring all network

consensus
What Is a Crypto Prediction Market?
A crypto prediction market is a blockchain-based marketplace that enables participants to trade on the outcomes of future events using digital assets. These events can range from election outcomes and

education
What Is Gas Abstraction in Blockchain?
Gas abstraction is a design paradigm in blockchain systems that aims to remove the direct burden of gas fees from end users, enabling blockchain interactions to occur without requiring individuals to

account abstraction
What Is a Bribery Attack in Proof-of-Stake?
A bribery attack in Proof-of-Stake (PoS) systems refers to an attempt where an attacker offers external incentives to validators or block producers in order to influence their behavior. These incentiv

education
What Is Weak Subjectivity in Blockchain?
Weak subjectivity in blockchain, a term formalized by Vitalik Buterin, describes how Proof-of-Stake (PoS) nodes must trust other nodes to find the true current chain when they're new or offline for a

blockchain
What Are Penalty Transactions in Lightning Network Payment Channels?
Penalty transactions on the Lightning Network (LN) are a core security mechanism designed to enforce honesty between participants in offchain Bitcoin payment channels. They exist to make cheating irra

lightning
CoinJoin Explained: How to Enhance Bitcoin Privacy Through Transaction Mixing
CoinJoin is a Bitcoin privacy technique designed to make onchain transactions more difficult to trace by external observers. It enables multiple participants to collaborate on a single Bitcoin transac

bitcoin