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[lastpost] => 2762262 特朗普家族加密币首秀受挫,其本人仍大赚36亿美元(转) 1756915571 jackcool1011
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当前离线
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天策币:
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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。4 u, n. {0 [4 V2 w. z( x0 Y0 c
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。! X" f0 [7 H( f9 ]5 ]0 n3 x
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。2 n$ U- r; n1 h: h$ x6 D5 N
没有柜台、没有信贷员、甚至没有银行,只有代码和规则。3 H9 `) W K7 _6 d: S
以借贷为例。0 [0 l" Z' e$ h/ f" e$ j/ V. _
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。9 X0 w6 Z7 i2 g$ t7 B1 ]1 Y6 m5 J
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。& Y$ V# H* w; P, r
这个当铺能运转,靠的是下面3个核心部件% t% c7 f$ l7 y+ Q9 \
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。. k! p& y. I. B+ ~; a/ k# L
然后抵押借钱的关键在于,你抵押的资产到底值多少钱。
+ V- G4 B# `) Y1 i* d9 T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。, i5 S$ {! t' }' P; ^
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。
, n: i5 j4 x4 w' c7 P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
/ }( }$ C. r( u4 K0 v典型代表有 Aave 和 Compound。2 b0 g' f; C1 h9 |1 J& q! W0 k
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。2 j8 n |, _: ?+ w, v. M
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。
2 g: G7 r& P0 S- O. r" h! X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。
' j6 c4 g) j+ [3 X" i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。
% j! k: J5 N$ E, G' m这些零零散散的借贷协议,保证了当铺的运作。
1 W6 T h9 n. [ J, d+ { YDeFi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。! S) p0 y0 P- V( P
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当前离线
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天策币:
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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
经验:
天策币:
活跃币:
策小分:
总在线: 33 小时
本月在线: 4 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: 131 小时
本月在线: 3 小时
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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
经验:
天策币:
活跃币:
策小分:
总在线: 2864 小时
本月在线: 6 小时
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当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 33 小时
本月在线: 4 小时
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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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