Whether you need to pay gas to query smart contract data depends on which path you take: if you are only "reading" data that already exists on-chain, you don't pay gas; if your action changes the on-c

The core problem of a reentrancy attack can be summed up in one sentence: the contract hands control to an external address before it finishes updating its own ledger, and that external address calls

No. Of the more than $114 trillion in assets custodied by DTCC, only 34 securities can currently be converted through its Tokenization Service (DTS), representing a total market cap of about $30 trill

The headline is accurate, but one key qualifier is needed: the drop in crypto income happened while Robinhood's overall revenue hit a record high, and the main drag on crypto was weaker trading activi

A crypto strategy that shows profit in backtesting does not automatically mean its entry signal is better than random picking. These two things are often mixed up, but they are separate questions: pro

When candles are missing in a backtest, the first thing to determine is whether the gap is caused by "no trades happening" or "data not being retrieved". Both can appear as a hole in the timeline in y

Spectra PT's "fixed yield" only locks in the redemption ratio at maturity, not the value of your principal. When you buy a PT, you pay a discounted price, and at maturity it redeems 1:1 for the underl

Arrakis V1 (also known as G-UNI) officially stopped being maintained on June 15, 2026. The official frontend and backend services have been shut down, all privileged roles have been abandoned, and the

Bitcoin's base layer does have a smallest unit of 1 satoshi. On-chain transactions cannot record any amount smaller than that. The Lightning Network can use millisatoshis because it moves a large numb

ERC-1155 can have multiple copies because its standard introduces an independent amount field outside of tokenId. The same tokenId represents one "asset type," and any number of copies can be issued u

LSK is still technically a token, but it no longer serves the core functions of a public chain token. Lisk's public chain, Lisk Chain, was shut down on October 31, 2026. LSK's new role is as a loyalty

Aero has replaced weekly voting with real-time allocation. The core change is how and when incentive payouts are decided. The old mechanism distributed next week's emissions based on each pool's "fees

No, you cannot simply add them up. When multiple strategies share one pool of capital, each strategy's backtest return is calculated under the assumption that "all of this money belongs to it alone."

Whether a late-executed signal is worth chasing cannot be decided by gut feeling. You need to run a delayed backtest first—put the "lateness" condition into your simulation and see what remains of the

Boros locks the funding rate, but it only locks the calculation basis for your settled cash flows. It does not lock your margin health. Liquidation depends on whether your "net balance falls below the

Kamino Multiply reducing leverage and exiting a position are two different actions on the same path: reducing leverage is a partial exit (Withdraw), and fully exiting is closing the position (Close Po