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

Dogecoin and Litecoin can share hashrate not by splitting one miner's power into two halves, but because one piece of Scrypt work is recognized by both chains at the same time. You don't need to buy t

The private key itself does not actually change. What changes is its "export format". When the same 256-bit private key is exported in WIF format, if the "compressed public key" mode is selected, the

Growth in the shielded pool tells you that "more ZEC has been placed into the privacy pool," but it cannot be directly equated to "more people are using privacy features." On-chain data can tell you w

Yes, but there is a layer in between, and that relationship did not look great in the actual data from the first half of 2026. Higher trading volume can indeed increase protocol fees, and 75% of those

VaR is not the maximum loss, because its definition never promises a "maximum." VaR answers the question: "At a given confidence level and time horizon, there is an X% probability your loss will not e

Estimating strategy capital capacity is not about calculating a precise "upper limit." The core is to find the point where your trading begins to noticeably erode its own returns. For most individual

Tokens not coming back is most often not because the "refund failed," but because the refund step has not yet been triggered or completed on the source chain. After an IBC transfer times out, the refu

After a position NFT is transferred, the party that can withdraw the principal is the wallet address currently holding this NFT, not the person who originally created the position. Uniswap's official