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当前离线
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一提到金融,大家最先想到的恐怕就是银行。不管是转账、存款还是贷款,几乎都得通过银行来完成。这就是我们熟悉的中心化金融。银行,就是那个不可或缺的中心。( m6 [% T6 x) L
但有没有一种可能,金融活动可以不再依赖银行这样的中间机构?答案就是DeFi,去中心化金融。/ Y) Q7 A, k6 l# S
在DeFi的世界里,一切金融操作都在区块链上完成,靠的是提前写好的智能合约自动执行。
$ C x' M" ~. B9 P+ D( a没有柜台、没有信贷员、甚至没有银行,只有代码和规则。6 e5 @3 e5 M B# D ^; k
以借贷为例。
% r/ e* Q3 Y; H. Y6 J! n0 Q1 e传统世界里,你想向银行贷款,得提交收入证明、抵押房产,签一堆文件,等银行审核通过后才能拿到钱。' U$ X. S5 q1 P, C3 @$ X* z9 {5 h
而在DeFi中,这一切变得像在一个全自动的当铺里进行。你不用面对任何人,只需跟程序打交道。
7 d1 m, b% H* t# s5 r& x4 Q" L" C4 ]5 _这个当铺能运转,靠的是下面3个核心部件" z& I4 d$ }* K4 f
区块链好比一个公开的账本,记录所有交易,谁都不能篡改。比如在以太坊上记录了你的账户下有1000个以太币,你有这1000个以太币才能进行抵押借贷。
. M4 r m' T3 i" M: B( R1 B然后抵押借钱的关键在于,你抵押的资产到底值多少钱。" \6 Z% C0 H0 L, s1 Y3 Y
传统金融中有专门的人来评估你的房产。在Defi中则依靠Chainlink 预言机,它负责实时汇报外部价格。比如说1个以太币3000美元。. C- U" L( Z H- p4 l
有了区块链和预言机,当铺才知道了你抵押的资产值多少钱。但你能借多少钱,利息多少,钱从哪里来。* ]. Y' L+ p) ^( v- v) o; V b5 |
这些就是借贷协议层,这里就相当于当铺本体,规定了借贷行为的各种规则7 O; g5 O2 A P- j% C6 I$ _5 s* X1 ]
典型代表有 Aave 和 Compound。* j D4 [+ \5 M, D0 O) R
比如我们定义了资金池,所有想赚利息的人,把钱存进来的,形成了一个大资金池。这些钱就可以拿去借给别人。
/ P% `0 f1 J% q你想借钱,就从池子里拿。你存钱进去,就相当于当了债主,能收到别人借钱的利息。$ X" @( B, u/ y
你想借100块钱,那你必须抵押价值至少150块的东西,防止你借钱跑了。* Z& f& V* Y! U% G m0 V1 H+ M
万一你抵押的东西价格暴跌,只值120块了,机器人店员不会打电话催你,会直接把你抵押的东西卖掉,先把100块本金拿回来,保护资金池的安全。这个过程就叫清算,对你来说很无情,但对存钱的人来说很安全。
' _& U) F! ^/ A" V5 Y7 m! B& ]+ h这些零零散散的借贷协议,保证了当铺的运作。
3 h& z: D; W8 Z8 D2 Z# r* SDeFi不是虚无的概念,它正在重构我们对金融的认知。当然,它仍处于早期阶段,高收益往往高风险,特别是智能合约漏洞和资产波动可能导致资产直接归零。4 Y6 D7 h3 N+ o" Z
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当前离线
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当前离线
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当前离线
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当前离线
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当前离线
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总在线: 29 小时
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DeFi就是让你像呼叫外卖一样方便地搞定金融活动,闪电借贷省心又省力。 |
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当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 128 小时
本月在线: 15 分钟
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DeFi就是当铺才知道了你值多少钱,利息怎么算,都是靠代码操盘,不依赖中间机构。 |
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当前离线
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总在线: 2858 小时
本月在线: 45 分钟
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当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 29 小时
本月在线: 0 分钟
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DeFi就是靠代码和规则自动执行,让金融活动不再只能靠银行。 |
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