It is one of the layers of a blockchain sys tem, consisting of va rious scr ipts, algorithms, and smart contracts.

First proposed by Nick Szabo in the 1990s, it is a kind of computer protocol aiming at disseminating and verifying contracts.

合约交易全攻略

It is a technology that enables transactions and transfer of tokens issued on different blockchains.

It is a type of standardized futures trading.

A mutually virtual channel that provides state services for users,

One of the layers in blockchain, which is mainly about a reward distribution mechanism.

Ethereum is an open-source, decentralized blockchain operating _ that is not controlled by anyone and is currently the most active smart contract network.

This is a smart contract technology that enables the transaction of one cryptocurrency for another without intermediaries.

牛熊证（Callable Bull/Bear Contract，CBBC）可以看做是你对市场未来的看法，看淡购买熊证，看涨购买牛证。

It refers to the funds paid by the buyer or seller according to the standards specified in the trading market

two white-hat hackers respectively reported the loopholes in the Polygon PoS creation contract on the bug bounty platform.