If you query the ETH balance of an address at a historical block, a full node and an archive node give completely different results: a full node will most likely return an error, while an archive node

A public key and a wallet address are not the same thing, but in everyday use they are often mixed up. Simply put: a public key is an intermediate product in cryptography, while a wallet address is a

Qivalis has been approved, but its euro stablecoin cannot be used yet. On October 14, 2026, the Dutch central bank (DNB) granted Qivalis an electronic money institution (EMI) license. This is a key re

SAP enterprises cannot yet pay directly with USDC. The partnership announced by Circle and Tereina, an SAP-backed financial services company, on October 7, 2026, does bring USDC and EURC into SAP's pa

A strategy claims to have "beaten BTC." The conclusion itself may be true, but whether the comparison is fair depends on a few conditions that are often left out. The three most common sources of dist

Win rate by itself has almost no reference value when the number of trades is small. A strategy that wins 60% of 30 trades could have a true win rate anywhere from 42% to 75% — a range that completely

The most common reason a Compound III deposit earns "no interest" is that you deposited the asset as collateral instead of as the base asset. Compound III (Comet) is designed so that each market has o

Before depositing funds into a Morpho V2 vault, the core of assessing curator permission risk is not about whether it has the title of "curator," but rather who controls each of the four roles: Owner,

Chain ID and Network ID have the same value on most mainstream chains, but their purposes are completely different: Chain ID is written into transaction signatures to prevent a transaction from one ch

Flash loans require no collateral precisely because they demand repayment within the same transaction. These two things are two sides of the same mechanism: blockchain transactions are "atomic," meani

After the approval of Ripple National Trust Bank, the issuer of RLUSD has not changed. It is still Standard Custody & Trust Company (SCTC), a Ripple subsidiary regulated by New York State. What has ch

No. JPM Coin being on Ethereum only means it has been placed on a public blockchain that anyone can read, but the permission to hold and transfer it remains locked within JPMorgan's list of institutio

Parameters should be locked in before entering out-of-sample testing. Once you start evaluating performance on out-of-sample data, any parameter adjustment based on that performance strips the data of

When you frequently deposit and withdraw crypto, the "return rate" shown on your account page is probably not a reliable way to measure your real investment performance. To calculate your true persona

Jupiter limit orders that expire unfilled do not automatically return funds to your wallet. You need to manually perform a "cancel" action to get them back. The exact path depends on which version of

Yes, and you don't need to place sell orders on the order book or wait for the market to settle. If you hold equal amounts of YES and NO in the same Polymarket market, you can use the "Merge" feature