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UTXO vs Account Model: Balances, Change, and Concurrency
The most obvious difference between the UTXO and account models appears the moment you open your wallet and check your balance. The "balance" shown in a Bitcoin wallet is not a single number stored so3 / October 22, 2026 -

Keccak vs SHA3: Why Results Differ and How to Verify Encoding and Hashes
Keccak-256 and SHA3-256 give different results for one simple reason: the padding bytes are not the same. Keccak uses 0x01, while the NIST-standardized SHA3 changed it to 0x06. With the same input, th3 / October 22, 2026 -

Dash Project Research: Payments, Platform, and Upgrade Boundaries
Dash's payment functionality has always worked on-chain, but its "Platform" and "upgrade boundaries" are two separate things that need to be looked at differently. The payment layer (Core chain) featu3 / October 22, 2026 -

Is Firo Privacy Reliable? Spark Mechanism and Vulnerability Fix
Firo's privacy reliability went through a real stress test in 2026. In August, the Spark protocol was found to have a supply integrity vulnerability that allowed coin forgery in multi-input transactio3 / October 22, 2026 -

How to Calculate the Sortino Ratio? Downside Risk and Strategy Comparison
The Sortino ratio formula itself is just one line: (average return - target return) / downside deviation. What really causes different people to get different results, or even wrong conclusions, is th3 / October 22, 2026 -

Connors RSI in Practice: Three Calculations and Reversal Misjudgment
Connors RSI's reversal signals often "come too early." This is not a parameter tuning problem—it is a built-in characteristic of the indicator itself. TradingView's official documentation openly admit3 / October 22, 2026 -

How to Keep IPFS Files Available Long-Term: Pinning, Backup, and Recovery
IPFS itself does not guarantee that files stay available long-term. It is only a content-addressed network that tells you where to find files, but nobody is obligated to keep your files forever. To ma3 / October 22, 2026 -

How to Set Guild Community Permissions? Conditions, Syncing, and Revocation
Guild's permission logic can be summed up in one sentence: you set conditions, Guild automatically assigns roles, and automatically revokes them when conditions are no longer met. It does not require3 / October 22, 2026 -

How to Calculate a CREATE2 Address? Prediction and Verification Before Deployment
The CREATE2 address formula itself is just one line: keccak256(0xff ++ deployer ++ salt ++ keccak256(init_code))[12:]. But predictions before deployment often go wrong. The reason is almost never the8 / October 21, 2026 -

How to Verify Ethereum State Proofs? Balance, Storage, and Trusted Blocks
Verifying an Ethereum state proof comes down to one core action: take the Merkle path returned by eth_getProof, hash upward from the leaf node level by level, and check whether the final root matches8 / October 21, 2026 -

What Is Decred For? DCR Voting, Treasury, and Security Boundaries
Decred's purpose focuses on three things: buying tickets with DCR to gain on-chain voting rights, using tickets to decide how treasury funds are spent, and using a hybrid PoW/PoS structure to make uni7 / October 21, 2026 -

Why Does Nano Have Zero Fees? XNO Payments and Anti-Spam Mechanism
Nano's zero fees are not a marketing slogan. They are a direct result of its ledger structure: each transaction only updates the sender's and receiver's own account chains. There are no miners or vali7 / October 21, 2026 -

How to Calculate Volatility Target Position Size? Exposure, Rebalancing, and Risk
The core formula for volatility target position sizing is simple: Position size = Target volatility ÷ Realized volatility. If you set an annualized target volatility of 20% for an asset, and its annua7 / October 21, 2026 -

How to Read the Coppock Curve? Long-Term Turning Points and Bottom-Fishing Mistakes
The most common misunderstanding about the Coppock Curve is treating it as a "bottom-fishing signal light": when the curve crosses above the zero line from below, people think the bottom has arrived a9 / October 21, 2026 -

How Does Sourcify Verify Contracts? Source Matching and Result Checking
Sourcify's core verification process involves one main step: submit your compilation output, let it recompile using the same source code and compiler settings, then compare it against the on-chain byt7 / October 21, 2026 -

How to Apply for Octant Grants? Eligibility, Materials, and Round Verification
As of 2026, Octant's grant application process can no longer be understood through the traditional flow of "fill out a form, wait for review, receive money." An announcement from the Golem Foundation9 / October 21, 2026

