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[虚拟币交流] 以太坊和Fabric关系对比
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1#
以太坊(Ethereum)和
1 a$ P, \% Z, V: B1 AHyperledger Fabric(简称 Fabric)
6 Z) n* g8 I! N1. 定位和目标
4 C4 i6 ^+ [7 G( `以太坊& x3 `$ n: d* _! a( }. H5 r! ]
公有链(Public Blockchain),去中心化、无需许可(permissionless)。
  o" ~2 J1 q  y目标:支持任何人部署和运行
$ ^; T9 M4 u; J% U智能合约(Smart Contracts)0 Z2 f5 _2 m, e2 T) g$ J
7 E3 j& |: a4 r8 w
去中心化应用(DApps)
! ^' y; B7 y8 B& S; ~$ ^8 k: ]" {# ^, d8 l7 M2 t* d
典型应用:DeFi、NFT、DAO、代币发行等。3 l3 n/ y1 x" M" D6 I7 R( S3 U
Fabric
4 L, J, _& X* c" h联盟链(Consortium Blockchain),属于许可制(permissioned)。0 q" J! m: s5 Q! q# U1 ^) E
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。
. Z4 M& j/ {7 Z* S3 N0 j/ {: R# I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。
% F  x# i0 W" r/ b2. 共识机制
9 D0 m0 p/ d: T以太坊0 t* I( ]: N: r9 V% z6 x- w
早期:PoW(工作量证明),后来升级到0 d& ?; I+ s. m) G0 Y. _/ c- V
PoS(权益证明)- `2 V( Z* o; w5 Z3 H

. E# q+ n2 e' i3 N  b区块由验证者/矿工竞争产生,任何人都可参与。2 y3 s) n4 h# C; O! \, W1 B8 H
Fabric, u( b% V2 G  |: }
不固定共识算法,可以选择 Raft、Kafka(已废弃)、BFT 等。
, L) i' A# E, j! m* U共识由组织预先定义的节点参与,不是开放竞争。+ s/ n4 w2 k) r5 H+ n
3. 智能合约
1 ^" }8 V( @" _- s0 J以太坊
% E$ r5 @: a& [$ h% q- y智能合约称为
6 D: \, m# |% L" IEVM 合约
: B4 a9 Q6 `! v2 Y( x# ],运行在以太坊虚拟机上。. a9 J: k* I8 w
常用语言:Solidity、Vyper。2 v, O4 m" ~1 |) e' \
部署后不可随意修改。# R( _! l: q' x/ Q0 n
Fabric" }! x  ?8 U  d  M7 Z: b
智能合约称为  t$ ~3 K( D  a8 T+ J. m
Chaincode2 @& d) i. p3 d, [, r
(链码)。% s% k% P. U, _/ k
常用语言:Go、Java、。7 M4 @5 f$ P! O" o7 m7 H7 o
可以升级链码,支持更灵活的治理方式。
3 \+ A  q( {; |4. 网络参与者和权限
# i1 p1 \& p# j2 H8 {* ]( X0 s: ?5 {5 v以太坊
3 f" X1 U5 R0 b6 z0 s1 H6 k完全开放,任何人都可以:运行节点、部署合约、发送交易。
& b: C/ Y& F5 V" v5 \$ B账户由公私钥对控制,无需身份认证。
/ l( H0 [8 j, Q/ ]# m' G2 hFabric* Q( @$ {- n7 S( L
需要加入联盟,身份通过
. |. |% }: U- [+ j, xMSP(Membership Service Provider)
  H5 U* V- T8 f% o% K管理。
; a5 C$ Y, i( \+ W! f& \8 z不同角色:Orderer、Peer、Client,各司其职。* W% ?5 ~1 i; C( O. o1 D5 m
严格的访问控制(ACL、背书策略)。
! [7 ~$ [5 J  P0 S+ a1 K7 v; C/ n* x5. 数据存储和隐私
9 f7 Y7 `1 r! N  {6 [" Y5 ^以太坊& M3 b; E/ q' @  m* a9 j- E( x
所有交易、合约数据对所有节点透明、可见。' ^" s0 Y' Z6 q" m* K$ g# Q
隐私保护弱,需额外的 Layer 2 或零知识证明技术。8 H! j5 U/ u6 M- P, E: ~
Fabric4 \" _0 }% V* X6 u5 J' ^5 V
提供! h( {) w$ {/ p) N! V/ B
通道(Channel)! s2 Q. t$ Z" e
机制,不同子网络可独立保存账本,保证数据隔离。3 a) |' z) h( t* s- u; L5 o
还支持9 P) g/ w$ U5 [9 ?( L; i
私有数据集合(Private Data Collections)
! y+ Y( l6 ^% r5 y" w,只在授权节点之间共享。' d$ g1 b, T; ^
6. 性能与吞吐量
) Z1 M' S! g/ U# S  }! u: @2 D以太坊  e4 F2 F' D; U5 j( F
TPS(交易每秒):PoS 下大约3 ~2 U: C. [  ]- g( v
几十到几百/ J4 v. E) E( i- a# R0 o
(具体依赖网络和 Layer 2)。  I4 k7 @4 j; Z, c. {
区块确认需要时间,手续费(Gas)浮动较大。
7 w4 {! g6 [7 S) f' b; {, |Fabric
8 e  u' i' E, l  P2 @+ cTPS 可达. h* o- s# {. ~3 |; A
上千甚至上万: n7 ~( Q0 Y% j; E# a" {0 t
(取决于部署方式)。
6 E4 Z* U( Z8 Z- y; M1 f没有 Gas 概念,交易成本更低,但依赖联盟治理。
4 ~8 O8 O- F; x4 U7. 关系% n' x% V0 C) g1 T' O* X  U
以太坊和 Fabric 没有直接的技术继承关系。9 k4 K/ W+ a5 h3 l
以太坊
/ A) V' k7 L' L→ 适合% ]8 Y: N. u' q0 W
开放的公有场景4 [+ u/ t+ ]; z) M! w, H
(去中心化应用、数字资产)。
! i7 l2 C# E+ G  f- C. q1 PFabric1 A9 e. y! l" _. U  }: ^* |
→ 适合+ f% o0 v3 W1 [
企业/机构的联盟场景
+ p$ v4 `9 h7 ?* w- y(可控、合规、隐私保护)。) V: l" \- J3 l9 N+ 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。  o+ S" f3 e( u/ w4 a

+ H& v9 b% U) b9 v; `. M7 X0 U5 H! @一句话总结* U5 @" Q5 M+ h1 Y3 O

# R2 ^, c- G2 f9 O* h+ ]0 t以太坊是/ P: q3 ^- o8 m' z5 D' G! j- E  d
去中心化的全球计算平台
' R1 J% y7 ~: a$ A,任何人都能用;5 j& F% h0 a2 o, o& s8 z
Fabric 是
/ G' T( p+ O0 F- D' R# i企业级的联盟链框架9 ]5 G7 x2 H+ I( F: w
,主要面向组织之间的合作。
' S$ V3 m& I4 B7 p  |
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以太坊更开放,Fabric更适合企业使用
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:) :( :D :'( :@ :o
:P :$ ;P :L :Q :lol
:loveliness: :funk: :curse: :dizzy: :shutup: :sleepy:
:hug: :victory: :time: :kiss: :handshake: :call:
{:8_286:} {:8_287:} {:8_288:} {:8_289:}
{:8_290:} {:8_291:} {:8_292:} {:8_293:}
{:8_294:} {:8_295:} {:8_296:} {:8_297:}
{:8_298:} {:8_299:} {:8_300:} {:8_301:}
{:8_302:} {:8_303:} {:8_304:} {:8_305:}
{:8_306:} {:8_307:} {:8_308:} {:8_309:}
{:8_310:} {:8_311:} {:8_312:}
{:8_313:} {:8_314:} {:8_315:} {:8_316:}
{:8_317:} {:8_318:} {:8_319:} {:8_320:}
:) :( :D :'( :@ :o
:P :$ ;P :L :Q :lol
:loveliness: :funk: :curse: :dizzy: :shutup: :sleepy:
:hug: :victory: :time: :kiss: :handshake: :call:
:) :( :D :'( :@ :o
:P :$ ;P :L :Q :lol
:loveliness: :funk: :curse: :dizzy: :shutup: :sleepy:
:hug: :victory: :time: :kiss: :handshake: :call:
:hug: :victory:
:) :( :D :'( :@ :o
:P :$ ;P :L :Q :lol
:loveliness: :funk: :curse: :dizzy: :shutup: :sleepy:
:hug: :victory: :time: :kiss: :handshake: :call:
:hug: :victory: :time: :kiss: :handshake: :call:
:hug: :victory: :time: :kiss: :handshake: :call:
:hug: :victory: :time: :kiss: :handshake: :call:
:hug: :victory: :time: :kiss: :handshake: :call:
:hug: :victory: :time: :kiss: :handshake:
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