资源描述
1 / 21 2021 05 31 -5G 4 5G -2021.5.23 -5G 5G -2021.5.18 - - 2021.5.8 S0790520030005 S0790120040005 + 2MB 2100 10 2100 Coinbase Generation( ) 50 210000 10 4 2021 5 6.5 Nonce SHA-256( Nonce )= X 0 X CPU GPU ASIC Coinbase CAN -38% -19% 0% 19% 38% 57% 2020-05 2020-09 2021-01 3002 / 21 1 P2P . 4 1.1 . 5 1.1.1 . 5 1.1.2 2100 . 6 1.2 . 7 1.3 . 7 1.4 POW . 8 2 . 9 2.1 . 9 2.2 . 10 2.2.1 . 11 2.3 . 12 2.4 Nonce . 13 2.4.1 SHA-256 Nonce . 14 3 . 14 3.1 . 14 3.2 Coinbase . 16 4 . 17 5 . 19 6 . 19 1 4 29 . 4 2 2021 5 28 8 300 . 5 3 . 5 4 / . 6 5 . 7 6 . 8 7 685116 1143 6.25 . 8 8 SHA-256 . 10 9 . 11 10 ECDSA . 11 11 . 12 12 . 13 13 13 300 500 . 14 14 S19Pro . 15 15 A1246 4258 . 15 16 S19 Pro 6072 . 16 17 Coinbase 18 844.82% 2020 . 16 18 0 8% Visa . 17 19 . 18 20 . 193 / 21 1 . 194 / 21 1 P2P 1 2 + 3 2009 1 3 50 2011 1 1 30 2011 6 9 1 29.55 100 Mt.Gox 2011 11 2 2012 12 13.69 2013 12 1147 2015 8 200 2016 1000 2017 1700% 19142 789 2019 ICE Bakkt BTC 3178 4 62000 1 4 29 Wind 2021 5 28 8 4200 300 6 31445 / 21 2 2021 5 28 8 300 Wind 1.1 A B A B 256 3 2MB 8MB 3 Nonce Nonce 3 3 1.1.1 UTXO(Unspent Transaction Output) 0 1000 2000 3000 4000 5000 6000 3006 / 21 A B A B UTXO UTXO / / U 4 / 1.1.2 2100 Coinbase Generation( ) 1 Coinbase Generation 2009 9 50 210000 10 4 2 107 / 21 10 =6*24*14=2016 2016 x 0 685116 25 21 0 84 0 1.2 1969 4 7 RFC 1 (point-to-point) 1999 Napster( ) BT Peer-to-Peer Gnutella,Chord Pastry Satoshi Nakamato Peer-to-Peer P2P Gossip Kademlia Gossip 1987 ACM Gossip, 5 1.3 + 1CNFfXUet3N zeTxCzx1gmQyB9HTKRbc91E3 PreLYveMy5y9gRwSjdNPSfCrj936MSMnL 0.00511470 0.00001351 42777c01e2b082a4546e7e4ffd4ca6fcccdf02b34 1431192dd4d2c4affe67088 / 21 SHA-256 256-bit 32 bytes 6 B 2017 8 1 1MB 2MB 8MB 1MB 1000 685116 2021 5 27 14 19 ViaBTC / Nonce 1143 1ee17be5da4159067d1c5a56 2a314c103ffe1ffb 6071b8523b6510f2e22951e2 / 6.25 Coinbase Generation ( ), 0.22807608 243979.63 25,046,487,590,083.27 25 Nonce 21 0 7 685116 1143 6.25 B 1.4 POW POW9 / 21 Nonce Nonce Coinbase Gneration 2 2.1 1 (computationally efficient) SHA-256 2000 2 (input sensitivity): 3 (Collision Resistance) 4 (Hide information) 5 Irreversible : Sha(Secure Hash Algorithm, )-256 SHA-256 1 mod 512=448. 1 0 264 512 2 SHA-256 64 64 32 3 6 32 64 25610 / 21 8 SHA-256 SHA-256 2.2 2 / / / /11 / 21 9 DocuSign 1 RSA 2048 2 G(ab) mod P=Z G ab P Z Z G(a) b G(ab)mod P=Z Z 3 A=BG,A B Ep B G nG=O B G A. A G B B A ECDSA 10 ECDSA 2.2.112 / 21 ( ) 1 SHA-256 RIPEMD-160 2 0 x00 3 SHA-256 4 Base58 Base58 11 2.3 Data0,Data1,Data2 Data3 4 H0,H1,H2 H313 / 21 H4 H5 Root 4 12 1 2 H4 H5 H5 H2 H3 2.4 Nonce P2P POW Proof of Work, Nonce 1000 Nonce 10 Nonce 50% Nonce 1213.8 1.7% 414 / 21 13 13 300 500 PO* * BFT(Byzantine Fault Tolerance, ) 100 Rich OS Rich OS 2.4.1 SHA-256 Nonce + Nonce X 0 SHA-256( Nonce)= X 0 X 0 Nonce 3 3.115 / 21 14 S19Pro 1 2019 11 21 CAN SHA-256 2020 14.23 4.48 A1246 360 SHA-256 90 0.04w/GHs A1246 0.427 6.7 25 6.25 38753 11.66 67.14 17.42 5.76 Ava1246 4256 27110 90 15 A1246 4258 2 Investopedia IPO 400 500 S19Pro 11016 / 21 29.5J/THs 16.63 106 21.29 4.66 S19 Pro 6072 38679 SHA-256 Nonce 4 S17 Pro, S19 S19 Pro, S19j 1 $0.14/KWH $0.13/KWH $0.13/KWH $0.11/KWH 16 S19 Pro 6072 3.2 Coinbase Coinbase 2021 4 13 2019 2020 5.3 12.7 2021 1 18 844.82% 2020 50% 100 4300 7000 115000 17 Coinbase 18 844.82% 2020 Wind 0.00% 500.00% 1000.00% 1500.00% 2000.00% 2500.00% -0.2 4.8 9.8 14.8 19.8 2019 2020 2021Q1 % 17 / 21 Binance Visa Mastercard 18 0 8% Visa Wind 24 5 28 9 740 24 740 Robinhood Webull Interactive Brokers (Charles Schwab) 418 / 21 19 2014 DCEP( Digital Currency Electronic Payment) 2016 3 10 2017 9 4 ICO 2020 4 2018 2014 AB129 2015 Coinbase, 2021 4 13 Coinbase 2017 9 ICO 2018 1 12 4 2 3 ICO19 / 21 20 2018 2016 5 25 2017 3 4 2017 11 ICO 2018 3 5 1 5 31 EPS( ) PE 2021 E 2022 E 2021 E 2022 E CAN.O 53.50 1.12 1.88 47.77 28.46 Wind Wind 2021 5 31 1USD=6. 3690RMB 620 / 21 2017 7 1 R4 C4 C5 C4 C5 Buy 20% outperform 5% 20% Neutral 5% 5% underperform 5% overweight Neutral underperform 612 A 300 50021 / 21 1788 1 10 200120 2030 1 45 518000 18 C2 16 100044 1 B 5 710065
展开阅读全文