How Do AI Agents Pay for Things? A Guide to Machine-to-Machine Payments
What Are AI Agent Payments?
When you start exploring this space, you'll run into a handful of terms that are closely related, frequently used interchangeably, and yet mean slightly different things. I

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Fiber Network: An Open Payment Network for the Digital Economy
Crypto has transformed how value is created, owned, and exchanged. But its original promise—making digital payments better—remains largely unfinished.
Bitcoin made it possible to transfer value global

popular
What Is Fiber? A Complete Guide to the Next-Gen Payment Network
Bitcoin changed how money can move. For the first time, anyone could send value across the world without relying on a bank, payment processor, or other central intermediary.
But Bitcoin was designed f

popular
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

popular
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

popular
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

popular
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

popular
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

popular
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

popular
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

popular
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

popular
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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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 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 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
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 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
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
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
Proof-of-Work vs. Proof-of-Stake: Key Differences Explained
As blockchain technology and cryptocurrencies like Bitcoin and Ethereum continue transforming the digital landscape, understanding the core concepts underpinning their operation is crucial. Among thes

pow
What is a 51% Attack in Cryptocurrency?
What Is a 51% Attack and How Does It Work
A 51% attack is an attack on a cryptocurrency when а miner or group of miners successfully hijacks and controls more than 50% of a blockchain's hash rate. By

blockchain
What Is Nakamoto Consensus?
Nakamoto Consensus, named after the pseudonymous creator of Bitcoin, Satoshi Nakamoto, is a Byzantine Fault Tolerant (BFT) consensus mechanism that combines Proof-of-Work with the "longest chain" rule

consensus
Why Is Proof-of-Work Required in Bitcoin?
Proof-of-Work (PoW) is a consensus mechanism employed by blockchain networks, most notably Bitcoin, to validate transactions and create new blocks. It requires participants, called miners, to solve c

pow
How Do AI Agents Pay for Things? A Guide to Machine-to-Machine Payments
What Are AI Agent Payments?
When you start exploring this space, you'll run into a handful of terms that are closely related, frequently used interchangeably, and yet mean slightly different things. I

popular
Fiber Network: An Open Payment Network for the Digital Economy
Crypto has transformed how value is created, owned, and exchanged. But its original promise—making digital payments better—remains largely unfinished.
Bitcoin made it possible to transfer value global

popular
What Is Fiber? A Complete Guide to the Next-Gen Payment Network
Bitcoin changed how money can move. For the first time, anyone could send value across the world without relying on a bank, payment processor, or other central intermediary.
But Bitcoin was designed f

popular
Reflections of a CKBuilder: Bitcoin Doesn't Know It Has Smart Contracts
Reflections of a CKBuilder is a field-note series from my CKBuilders learning journey, translating CKB concepts through the eyes of someone building with them for the first time.
Open your Bitcoin wal

interoperability
On CKB, You Drive: A Guide for Polkadot Developers
The first thing CKB asks you to do is construct a transaction by hand.
Not submit an extrinsic. Not call a contract method. Build the inputs yourself, find the cells you want to consume, decide which

developer
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

popular
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

popular
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

popular
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

popular
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

popular
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

popular
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

popular
What Are Quantum-Resistant Wallets?
Key Takeaways
Definition: A quantum-resistant wallet is a cryptocurrency wallet that uses post-quantum cryptography to protect user funds from future quantum computing attacks.
Cryptographic Upgrades

wallet
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

popular