阅前问题:如果基于区块链的DeFi是传统金融的掘墓人,可以摧毁华尔街吗?
一、去中心化金融(DeFi):无需中介的 “金融服务”
去中心化金融(Decentralized Finance,简称 DeFi)是基于区块链技术构建的开放式金融生态系统,核心在于通过智能合约替代银行、券商等中心化中介,实现金融服务的自动化与去信任化。与传统金融依赖机构信用背书不同,DeFi 的信任基础源于区块链的共识机制与开源代码 —— 智能合约一旦部署便不可篡改,所有交易记录公开可追溯,用户无需验证对方身份即可完成... more
阅前思考:Web3的宏大叙事下我们该咋办?
2021 年,一款NFT网游《Axie Infinity》在东南亚地区掀起热潮。爆火的原因是大量菲律宾居民以打这款游戏为生,收入超过了当地平均工资,成为许多家庭妇女养家糊口的手段。游戏是简单的卡牌类游戏,玩家通过饲养卡牌角色Axie(阿蟹)、参与战斗、繁殖新 Axie 获得的收益,每只 Axie 的基因、外观、技能都独一无二,玩家还能将其在 NFT 交易平台(如 OpenSea、Ronin Marketplace)上自由买卖,或质押给其他玩家获取收益... more
阅前思考:现实世界资产上链,那么人是资产吗?需要上链吗?
RWA(Real-World Assets),现实世界资产上链,是指将现实世界中的资产,通过区块链技术映射到数字世界中,转化为可交易的数字通证(代币、Token)。
不同于依赖炒作的数字资产,RWA实现了资产价值的数字化映射与高效流通,被业内称为从“数字泡沫”到“实体造血”的范式转换。
一、RWA的核心定义与本质特征
RWA的核心定义是通过区块链的去中心化、可追溯、可编程特性,将物理世界中的有形资产(如房产、黄金、充电桩)、金融资... more
阅前思考:“独一无二”的数字资产叫NFT,那“独一无二”的人呢?
在区块链技术快速发展的当下,非同质化代币(NFT)的唯一性,为数字资产确权,同时成为连接虚拟与现实世界的重要桥梁。
一、不可替代的Token:NFT
首先区分同质化代币(FT)与非同质化代币(NFT)。像比特币、以太坊这类的加密币叫同质化代币(FT),每一个代币之间没有本质区别,可以随意互换,例如 1 个比特币和另 1 个比特币在价值和功能上完全等同。而非同质化代币(NFT)则截然不同,它的英文全称为 Non-Fungibl... more
阅前思考:我的加密资产们应该如何存放?
一、加密钱包(Crypto Wallet):加密资产的 “家”
加密钱包并非传统意义上存储现金、银行卡的实体容器,而是用于管理加密资产的软件或硬件工具,核心功能是生成、存储私钥与公钥,并通过私钥签名交易,让用户能安全地发送、接收加密资产,相当于加密资产的 “数字之家”。
与实体钱包不同,加密钱包不直接存储加密资产 —— 资产实际记录在区块链的分布式账本上,钱包仅通过私钥证明用户对资产的所有权。用户通过钱包发起转账时,本质是用私钥对交易信息进行数字签名... more
阅前思考: 密码学是啥?我数学都没整明白,还能懂密码学?
一、密码学(Cryptography):安全通信的 “秘密武器”
密码学是区块链安全的基石,它并非新生事物,早在古代就有烽火传信、密写等简易形式,而现代密码学借助数学算法与计算机技术,成为保障数字世界信息安全的 “秘密武器”。在区块链中,密码学的核心作用是实现 “信息加密” 与 “身份认证”,确保交易数据不被篡改、用户身份不被伪造,让去中心化网络中的陌生人能安全协作。
传统密码学以 “对称加密” 为主,即加密与解密使用同一把密钥,就... more
阅前思考:
既然区块链是权益和财富的载体,那么在区块链上是否需要新的货币呢?
一、加密货币(Crypto Coins):区块链的 “原生资产”
加密货币(Crypto Coins,简称 “币”)是加密资产的核心类别,指基于独立区块链原生发行的资产,具备 “价值存储” 或 “交易媒介” 功能,相当于区块链网络的 “原生货币”,也叫“通证”(Token),最典型代表是比特币、以太坊币、狗狗币。
其核心特征是 “依托独立主链”:每条主链对应一种原生加密货币,货币的生成、流通、验证均依赖主链的共... more
阅前思考:
“谁都有记账的权力吗?那么我可以给自己记账一个小目标吗?”
“智人之所以能够统治地球,是因为只有他们能够编织出共同的虚构故事。……大规模的人类合作是以虚构的故事为基础的”。引自尤瓦尔・诺亚・赫拉利的《人类简史》。
“共识”,即一群人对虚构事实达成的一致认同,如国家、货币等概念本不存在,但当人类共同相信其存在,便会形成坚硬且难撼动的规则,成为陌生人协作的信任基石。
人类擅长画饼讲故事,这种虚构能力形成“共识”,推动着文明的演进。那么存在于网络之上的区块链,又是如何利用“共识”?... more
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