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[1757] => 第三方支付
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[1759] => 天策嗨聊
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以太坊(Ethereum)和
/ R# i) ^0 t8 J8 p- e7 Q% I+ _3 THyperledger Fabric(简称 Fabric)) h3 Z% y7 w. ]
1. 定位和目标2 D3 X2 h0 @; t4 t
以太坊
1 O4 f. A, F5 P, j3 O4 C8 D公有链(Public Blockchain),去中心化、无需许可(permissionless)。
5 Q& R$ p% L' i0 w6 |# |目标:支持任何人部署和运行
) Z7 W& T7 Z4 l$ P智能合约(Smart Contracts). d6 `, y1 Z2 r/ Y; g) k
和) T3 ~; I5 Z: L7 @' x( s+ q3 ?
去中心化应用(DApps)4 N( ?5 y& R( y) T
。
: }0 O! F( X, |" b典型应用:DeFi、NFT、DAO、代币发行等。* S- B) \9 F5 |( H' D; Q* z c
Fabric6 g; {3 Q% T# y+ f# @
联盟链(Consortium Blockchain),属于许可制(permissioned)。& ]8 a6 u; B. F2 N# D+ w+ ]) x' G
目标:为企业/组织提供一个可控、可扩展、可定制的分布式账本系统。
* n2 Y" J8 l1 C典型应用:供应链金融、医疗数据共享、跨机构结算、ZF数据管理等。# |( M$ F% Q# w# r
2. 共识机制, Z# ^) ^" U+ S: f+ x; A) Y3 P
以太坊0 u& J. t& G, W9 T% A
早期:PoW(工作量证明),后来升级到
- M3 S) }) t- o8 u8 ~PoS(权益证明)
) t/ P; a8 ] [. M。
8 s" K# I/ |7 _& h/ N/ Q! T区块由验证者/矿工竞争产生,任何人都可参与。
P- h5 e) z1 e: ^Fabric/ ?% O/ X: T% R) y6 ^8 i @
不固定共识算法,可以选择 Raft、Kafka(已废弃)、BFT 等。. l4 i' _4 r- E* Q. R b0 j: R
共识由组织预先定义的节点参与,不是开放竞争。
" s0 Q, D0 m: \7 c; r3. 智能合约 H7 j" A' ]7 Q/ M. Q+ o/ l/ R- t
以太坊/ E4 t6 P/ b5 K1 g% l
智能合约称为1 \9 H1 o3 K" G% e1 P
EVM 合约
0 b+ M0 k3 t/ U# N' d8 A' G. [( Y,运行在以太坊虚拟机上。4 J6 r+ ]9 A2 r u
常用语言:Solidity、Vyper。/ r" D# r$ W# |5 I- ?
部署后不可随意修改。+ l* [7 |* w0 S
Fabric
( `4 N6 E% m+ K- S T# A智能合约称为- H" o8 W+ m% k* R& i" {
Chaincode$ T6 t/ d) P n* G
(链码)。- _7 _. J. _, r$ S1 p( s! P
常用语言:Go、Java、。4 E. H3 I. G; Y, F- X
可以升级链码,支持更灵活的治理方式。
; _/ ?. N+ r) \/ i! J( w5 C* \0 v4. 网络参与者和权限
( ]! C/ e" u/ `- E/ s& s以太坊1 U4 a& B @ o3 @! G
完全开放,任何人都可以:运行节点、部署合约、发送交易。
4 m# ], h0 b$ u账户由公私钥对控制,无需身份认证。
E( w: o/ \ T( zFabric: |9 z8 p, r0 ]4 J& @- Y
需要加入联盟,身份通过
% x5 X5 W9 A& B+ t$ {" h+ d: GMSP(Membership Service Provider)
+ A+ ?% s* T: d) a9 g* K* w$ f0 W# S, h管理。
" B! t- c; L. v1 |* u, ~9 M! d不同角色:Orderer、Peer、Client,各司其职。
. j; K4 j7 b1 b严格的访问控制(ACL、背书策略)。
* B, r+ f( g3 u! G5 B2 Y5. 数据存储和隐私
6 Z* G: u6 U* Q5 d' i8 i1 F0 q; I以太坊, e" x6 O( n2 O; A0 d0 G3 |
所有交易、合约数据对所有节点透明、可见。
% @5 A$ ~1 u% I4 N隐私保护弱,需额外的 Layer 2 或零知识证明技术。
. u0 `! Z4 p* B6 k, cFabric) ~6 g% L3 {' R! l
提供
! P- g& @# ^* b. ^- P9 T, k0 w通道(Channel)! Y3 S9 w- E8 A
机制,不同子网络可独立保存账本,保证数据隔离。
: v* f# B" p) r还支持% Y) C% U0 A: y2 [+ Z
私有数据集合(Private Data Collections) G& C3 z: m" |5 l, D8 r
,只在授权节点之间共享。
$ ?: p3 ]* Q+ }9 C; D6. 性能与吞吐量
! r1 v! \: D0 q$ ?8 R7 G以太坊
2 J0 h# M" L# I9 }* r7 c5 xTPS(交易每秒):PoS 下大约4 V4 i& a3 c& d$ c, i
几十到几百
) _* q5 k: G9 k$ |8 U: F& _(具体依赖网络和 Layer 2)。- J. Q/ J. D4 ]4 Z2 W
区块确认需要时间,手续费(Gas)浮动较大。/ b0 k+ O" ^; g" g, t6 T. {, q2 l
Fabric
3 D$ r) d- T7 p1 A: U% iTPS 可达$ Z o a9 z1 J: r
上千甚至上万
; c2 [4 S N) D- n4 \. ? C0 z* q/ }# i(取决于部署方式)。8 w- m' E# a2 @/ J1 b% P+ W9 K. p
没有 Gas 概念,交易成本更低,但依赖联盟治理。
0 @3 a/ Q+ `) ]- c8 R/ W- ^( v- C7. 关系
$ @9 f6 Z4 X, N( U" q6 z以太坊和 Fabric 没有直接的技术继承关系。3 h* O/ R, G# W0 ~8 w f
以太坊1 }5 }( ^$ d: w
→ 适合
1 l# E; K1 ^3 C8 r2 Z* |, [% q开放的公有场景
S6 p0 r5 _$ Z: [. ^(去中心化应用、数字资产)。
! j! J+ c4 e. _# tFabric
( ^# _& w ^; [2 c# [" |, Z→ 适合
6 k) K. C2 E5 u5 X企业/机构的联盟场景4 O2 a$ b+ D5 p
(可控、合规、隐私保护)。2 }( C& O0 f; O- E, \
在实际应用中,很多企业会用 Fabric 搭建内部/联盟系统,同时用以太坊做跨链或资产发行。% k6 }! S9 b. H/ b1 G2 v
✅
; w2 v* ~3 O; G" B' g* `1 ^一句话总结
( J) F' V4 ~7 C0 ?& V2 @:8 F; s3 J% \/ k9 r8 X: W6 Y# o
以太坊是
+ b& P& p3 E# a7 [4 m1 I去中心化的全球计算平台
* R' t4 a Y4 c8 W2 ]" G,任何人都能用;" b0 P2 B1 `* t; }' ^, x' U
Fabric 是
; X, V6 k" W$ o1 q. I% [5 O企业级的联盟链框架
( T `5 X+ o$ @; D5 D! m( y7 K3 c,主要面向组织之间的合作。
+ f% o. J( U4 n |
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当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 34 小时
本月在线: 22 小时
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当前离线
经验:
天策币:
活跃币:
策小分:
总在线: 13382 小时
本月在线: 80 小时
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