Security
What Bithumb’s Data Breach Exposed, and What Stayed Out of Reach
Bithumb confirmed a breach of its internal groupware on October 28. Employee data leaked, customer assets stayed separate — but the customer-data question is still open.
Security
What a Bitcoin Signed Message Proves, and the Three Claims It Cannot Support
A verified Bitcoin message confirms one narrow result, not identity, current funds or solvency. Here is how to read the…
DeFi
What an ERC-4626 Deposit Preview Does and Does Not Check
A positive previewDeposit result estimates shares, not acceptance. Deposit limits, token approval and timing stay separate checks before an ERC-4626…
Markets
Galaxy Digital’s Q3 Profit: Data Centers and Treasury Gains, Not the Trading Desk
Galaxy Digital swung to a $323M Q3 profit, but the gain came from treasury appreciation and data centers, not a…
Security
What BIP78 Payjoin Requires the Sender to Check, and What It Cannot Guarantee
Payjoin muddies the common-input-ownership heuristic, but BIP78 loads the sender with verification duties. Here are the checks that matter and…
Latest dispatches
The Ledger Wire
DeFi
How DeFi Breaks: Code, Price Feeds and Collateral
DeFi replaces banks with smart contracts, but the losses cluster in three places: code, price feeds, and collateral. Here…
Regulation
What the BlackRock, SBI and Startale Yen-Stablecoin MOU Does and Does Not Do
BlackRock, SBI Holdings and Startale signed an MOU to explore linking Japan's trust-type yen stablecoin JPYSC with tokenized money…
News
Why Akash Network Is Leaving Its Own Chain for Solana
Akash Network is retiring its sovereign Cosmos chain and rebuilding its compute marketplace on Solana. The cost logic, the…
Security
BIP85 Child Wallets: Two Recovery Routes, Two Different Records
BIP85 child wallets come back two ways: regenerated from the root, or restored from their own mnemonic. Each route…
Regulation
What Binance Is Dropping in Brazil and What the Central Bank Rules Actually Change
Binance stopped eight products and delisted 22 tokens for Brazilian users on October 27, moving accounts to locally licensed…
DeFi
What Osmosis Ending OSMO Inflation Changes for Staking and Supply
Osmosis passed an on-chain proposal that stops OSMO minting. Here is what the change does to staking yield, circulating…
Bitcoin
Strive’s Bitcoin Treasury Reaches 43,000 BTC After a $511M October Purchase
The Dallas firm bought 6,182 BTC at an average of about $82,732 while its cash balance rose, pointing to…
Onchain overview
Market Intelligence & Diagnostics
October 28, 2026
Galaxy Digital’s Q3 Profit: Data Centers and Treasury Gains, Not the Trading Desk
Galaxy Digital swung to a $323M Q3 profit, but the gain came from treasury appreciation and data centers,…
Read analysis →October 26, 2026
What CME’s Bitcoin Cash Futures Do and Don’t Change for BCH
The first CME Bitcoin Cash block trade is infrastructure, not a catalyst: regulated futures give institutions a hedge…
Read analysis →October 25, 2026
mF International’s BCH Pivot: What the Board Decision Does and Does Not Prove
mF International approved winding down its legacy trading business to focus on a Bitcoin Cash treasury and mining.…
Read analysis →October 25, 2026
When a Crypto Treasury Buys Back Stock Instead of More Tokens
Hyperliquid Strategies tripled its stock buyback to $100 million while its shares trade below the value of the…
Read analysis →Security Watch
Security reportingOctober 28, 2026
What Bithumb’s Data Breach Exposed, and What Stayed Out of Reach
Bithumb confirmed a breach of its internal groupware on October 28. Employee data leaked, customer assets stayed separate…
October 28, 2026
What a Bitcoin Signed Message Proves, and the Three Claims It Cannot Support
A verified Bitcoin message confirms one narrow result, not identity, current funds or solvency. Here is how to…
October 28, 2026
What BIP78 Payjoin Requires the Sender to Check, and What It Cannot Guarantee
Payjoin muddies the common-input-ownership heuristic, but BIP78 loads the sender with verification duties. Here are the checks that…
Policy & Regulation
Legal and policy coverageOctober 28, 2026
What the BlackRock, SBI and Startale Yen-Stablecoin MOU Does and Does Not Do
BlackRock, SBI Holdings and Startale signed an MOU to explore linking Japan's trust-type yen stablecoin JPYSC with tokenized…
October 27, 2026
What Binance Is Dropping in Brazil and What the Central Bank Rules Actually Change
Binance stopped eight products and delisted 22 tokens for Brazilian users on October 27, moving accounts to locally…
October 26, 2026
Korea’s Trading-Caution Designation: What It Restricts for INIT
Upbit and Bithumb both flagged Initia's INIT under Korea's Virtual Asset User Protection Act. Here's what a trading-caution…
Evidence-led analysis
The Research Folio
DeFi
What Osmosis Ending OSMO Inflation Changes for Staking and Supply
Osmosis passed an on-chain proposal that stops OSMO minting. Here is what the change does to staking yield, circulating supply, and the token's remaining overhang.
Guides
How Stellar Claimable Balances Work and What They Do Not Guarantee
Stellar claimable balances separate sending a payment from receiving it. Here is what CAP-0023 says each stage proves, and what it does not prove.
Educational architecture
BlockchainQNT Learn
01
How Stellar Claimable Balances Work and What They Do Not Guarantee
Stellar claimable balances separate sending a payment from receiving it. Here is what CAP-0023 says each stage proves,…
Explore guide →02
Buying Bitcoin With an Amazon Gift Card: What US Buyers Can and Cannot Do
For US buyers, converting an Amazon gift card into Bitcoin is mostly a dead end: Paxful is gone,…
Explore guide →03
Bitcoin Layer 2s: Payment Channels, Sidechains, and Rollups Compared
Bitcoin layer 2s promise faster, cheaper payments. Here is how Lightning, sidechains, and rollups differ, who actually holds…
Explore guide →04
What Bitcoin Dominance Really Measures
Bitcoin dominance looks like a simple ratio, but the denominator changes by provider and includes stablecoins. Here is…
Explore guide →05
AI Agents Are Becoming Paying Customers of Blockchain Infrastructure
AI agents are becoming paying customers of blockchain infrastructure through open payment protocols like x402 and MPP. Here…
Explore guide →