비트코인 블록체인에 데이터 히치하이킹

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Harry Oh

Engineering

( )
- AWS Solution Architect
- Backend, Billing
UDP - Embedded Software, Cloud Solutions
( )
Blockchain Solution Development
Consulting
Education
https://www.chaineers.io
harry.oh@chaineers.io

Bitcoin (₿) is a cryptocurrency, a form of electronic cash.

▸ 2008 10
▸ Cypherpunk
▸ 2008 9
▸ 2009 1 3

‣ Transaction Input Output
‣ Input Output
‣ Output address value
‣ Output Spent
‣ Input Output Unspent 
=> UTXO(Unspent Transaction Output)
C
A
D
C
C
B

Transaction Output
Input
Output Value .
UTXO

UTXO
Locking Script
Transaction Output Script Script
Input ScriptSig Output PubKey Hash
Unlocking Script
Transaction Input Signature Output

RAW TRANSACTION
Output
OP_DUP OP_HASH160 
76ce7b423c530cb849fbb0482c3a0807c61b855a 
OP_EQUALVERIFY OP_CHECKSIG
Unlocking Script

RAW TRANSACTION
Locking Script
Locking Script
OP_DUP OP_HASH160
1a4618549a833da7efe8c9572e4e17e93900b7ec
OP_EQUALVERIFY OP_CHECKSIG
OP_0
c24b9295a240be1c2b46467c920ad1be8b2b1ff5

P2FKH
▸ Pay to Fake Key Hash
▸ UTXO(Unspent Transaction Output) Locking Script Public Key Hash
Locking
Locking
OP_DUP OP_HASH160
1a4618549a833da7efe8c9572e4e17e93900b7ec
OP_EQUALVERIFY OP_CHECKSIG
OP_0
c24b9295a240be1c2b46467c920ad1be8b2b1ff5

P2FKH
https://www.blockchain.com/btc/tx/930a2114cdaa86e1fac46d15c74e81c09eee1d4150ﬀ9d48e76cb0697d8e1d72

OP_RETURN
▸ Bitcoin v0.9 OP_RETURN
▸ OP_RETURN 80Byte

P2FMS
▸ Pay to Fake Multisig
▸ UTXO
2-Of-3 multisig address

P2FSH
▸ P2SH: Locking Script Redeem Script Hash
▸ Redeem Script

P2FSH
https://www.blockchain.com/btc/tx/200f3f6f8a91ae438d1924e5cedca98cea7f0197b9eba11343948b5621ca19ed

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비트코인 블록체인에 데이터 히치하이킹

2. ( ) - AWS Solution Architect - Backend, Billing UDP - Embedded Software, Cloud Solutions ( ) Blockchain Solution Development Consulting Education https://www.chaineers.io harry.oh@chaineers.io

3. AGENDA ▸ ▸ ? ▸ ▸ ▸ ▸

5. Bitcoin (₿) is a cryptocurrency, a form of electronic cash.

7. https://bitcoin.org/bitcoin.pdf

8. ▸ 2008 10 ▸ Cypherpunk ▸ 2008 9 ▸ 2009 1 3

10.

11. ?

12.

13. ‣ Transaction Input Output ‣ Input Output ‣ Output address value ‣ Output Spent ‣ Input Output Unspent  => UTXO(Unspent Transaction Output) C A D C C B

14. Transaction Output Input Output Value . UTXO

15. UTXO Locking Script Transaction Output Script Script Input ScriptSig Output PubKey Hash Unlocking Script Transaction Input Signature Output

16. RAW TRANSACTION

17. RAW TRANSACTION Output OP_DUP OP_HASH160  76ce7b423c530cb849fbb0482c3a0807c61b855a  OP_EQUALVERIFY OP_CHECKSIG Unlocking Script

18. RAW TRANSACTION

19. RAW TRANSACTION Locking Script Locking Script OP_DUP OP_HASH160 1a4618549a833da7efe8c9572e4e17e93900b7ec OP_EQUALVERIFY OP_CHECKSIG OP_0 c24b9295a240be1c2b46467c920ad1be8b2b1ff5

20.

21.

22. BITCOIN Transaction !!

23. P2FKH ▸ Pay to Fake Key Hash ▸ UTXO(Unspent Transaction Output) Locking Script Public Key Hash Locking Locking OP_DUP OP_HASH160 1a4618549a833da7efe8c9572e4e17e93900b7ec OP_EQUALVERIFY OP_CHECKSIG OP_0 c24b9295a240be1c2b46467c920ad1be8b2b1ff5

24. P2FKH https://www.blockchain.com/btc/tx/930a2114cdaa86e1fac46d15c74e81c09eee1d4150ﬀ9d48e76cb0697d8e1d72

25. OP_RETURN ▸ Bitcoin v0.9 OP_RETURN ▸ OP_RETURN 80Byte

26. P2FMS ▸ Pay to Fake Multisig ▸ UTXO 2-Of-3 multisig address

27. P2FSH ▸ Pay to Fake Script Hash

28. P2FSH ▸ P2SH: Locking Script Redeem Script Hash ▸ Redeem Script

29. P2FSH https://www.blockchain.com/btc/tx/200f3f6f8a91ae438d1924e5cedca98cea7f0197b9eba11343948b5621ca19ed

30. ?

31.

32.

33. DEMO

34. QnA