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ϏοτίΠϯͱ͔ษڧձ
• ίϚϯυϥΠϯͰ৭Μͳ҉߸௨՟Λૹۚͯ͠ΈΑ͏
1 @cameong
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࣍
• ࣗݾհ
• ֤௨՟ͷಛΛ؆୯ʹઆ໌
• Bitcoin : SPV node
• NEM : Full node
• Zcash : Full node
• ίϚϯυϥΠϯͰ৭Μͳ҉߸௨՟Λૹۚͯ͠ΈΑ͏
2 @cameong
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ࣗݾհ
גࣜձࣾΠʔαηΩϡϦςΟ
දऔక Ճতฏ
TW: @cameong
- ηΩϡϦςΟϞχλϦϯάπʔϧ metsuke.io ͷ։ൃӡ༻
- NEM εʔύʔϊʔυͷߏங ( ࠃγΣΞ20%, ੈքγΣΞ5%)
- bitdonation.org ͷӡ༻
- coincheck api ͷpython ύοέʔδͱ͔ॻ͍ͯ·͢
3 @cameong
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༻ޠ
• $abc : ม abc
• Full node: ϑϧϊʔυ. શτϥϯβΫγϣϯΛอ༗͢Δϊʔυ.
• SPV node : ͍ΘΏΔϥΠτΥϨοτ. τϥϯβΫγϣϯΛࣗ
Ͱอ༗ͤͣ, ૹۚʹಛԽͨ͠ϊʔυ
ҙࣄ߲
• ݁ߏ, python ʹภͬͯ·͢
4 @cameong
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֤௨՟ͷಛ
5 @cameong
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Bitcoin
• ಛ
• PoW ( SHA-256 )
• ϒϩοΫੜ࣌ؒ: 10
• ୯ҐʮBTCʯ
• ࠷খ୯Ґ10E-8 BTC
1
1 https:/
/upload.wikimedia.org/wikipedia/commons/thumb/4/46/Bitcoin.svg/240px-
Bitcoin.svg.png
6 @cameong
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NEM
• ಛ
• PoI ( EigenTrust++ )
• ϒϩοΫੜ࣌ؒ: 1
• ୯ҐʮXEMʯ
• Bitcoin2.0
(Ϣʔβʔಠࣗ௨՟ൃߦ(Namespace/
Mosaic)/ ϝοηʔδૹ৴)
7 @cameong
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Zcash
• ಛ
- PoW (Equihash) (ৄ͘͠ʲ҉߸௨՟
ಡॻձ#4ʳશಗ໊ίΠϯZcashͰ࠾
༻͞ΕͨPoWΞϧΰϦζϜ
ʮEquihashʯΛࢀর͍ͩ͘͞ 2)
- ϒϩοΫੜ࣌ؒ: 150ඵ
- ࠾۷: ϚΠχϯά
- ୯ҐʮZECʯ
- ಗ໊ੑ͕ߴ͍ɻθϩࣝূ໌ɻ
2 https:/
/cryptocurrency.connpass.com/event/43804/
[^3]:https:/
/z.cash/press.html
8 @cameong
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ૹۚͯ͠ΈΑ͏
9 @cameong
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Bitcoin
10 @cameong
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Bitcoin Λૹۚ
from : 18ef4syYvGd2K7MeYvbJ7LZ4x3kk5x4ufb
to : 15MMEVF6DM6RDdyaYeybEb9iKcv7uJwb36
volume: 10000 satoshi
ΤΫεϓϩʔϥ: https:/
/goo.gl/H2uFDb
tool: pybitcointools5
ΤΫεϓϩʔϥ͕ݟΕͨΒɺdemoʹҠΓ·͢
5 https:/
/github.com/vbuterin/pybitcointools
11 @cameong
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Demo
# ૹ৴༻
# ൿີ伴(priv)͔ΒbitcoinΞυϨε(addr),औҾཤྺ(h)Λੜ
:
# ड৴༻
# ൿີ伴(priv)͔ΒbitcoinΞυϨε(addr)Λੜ
:
# output ࡞.
# ૬ख(addr2)ʹ10000, ࣗࣗʹ39000 ΛૹΔ. Γ͓Γ
:
# ॺ໊͢Δutxo ͷநग़
:
# sign
:
# broadcast tx
:
12 @cameong
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Bitcoin ؔ࿈πʔϧ
- ΤΫεϓϩʔϥ
- http://blockr.io/
- https://live.blockcypher.com/
- https://www.blocktrail.com/BTC
- τϥϯβΫγϣϯΛdecode ͯ͠Τϥʔղੳ
- https://blockchain.info/decode-tx (invalid ͩͱղੳ݁ՌΛฦ͞ͳ͍)
- https://developer.indiesquare.me (invalid Ͱ݁ՌΛฦ͢)
13 @cameong
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Bitcoin ύοέʔδ, Ϟδϡʔϧ
• python
• https:/
/github.com/petertodd/python-bitcoinlib
• https:/
/github.com/richardkiss/pycoin
• https:/
/github.com/jgarzik/python-bitcoinrpc
• node
• https:/
/bitcoinjs.org/
14 @cameong
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NEM
15 @cameong
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XEM Λૹۚ
from : NB6X72-TE773V-QBAFL4-64VIJQ-EUWUIC-UMGYJS-GCRL
to : NCSR2E-CT3GVG-RVGKNP-OQJVD2-HMVOJM-ZB7RXX-VMUC
volume: 100 xem
ΤΫεϓϩʔϥ: https:/
/goo.gl/kEl6yP
tool: nem-py
• ެࣜπʔϧ͕ͩɺςετ༻ͱͷ͜ͱ
• ΤΫεϓϩʔϥ͕ݟΕͨΒɺdemoʹҠΓ·͢
16 @cameong
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# πʔϧͷΠϯετʔϧ
> pip install nem-py
# NCSR2E~~ ʹ 0.01 xem ૹۚ͢Δ
# ૹۚͷͨΊͷσʔλ࡞
# - NEM epoch time
# - खྉ
# - ϝοηʔδ(͠ඞཁͳΒ)
# - σουϥΠϯ
:
# ॺ໊
:
# ϒϩʔυΩϟετ
:
17 @cameong
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NEM ؔ࿈πʔϧ
• ΤΫεϓϩʔϥ
• http:/
/chain.nem.ninja/
• nano wallet
• https:/
/github.com/NemProject/NanoWallet
18 @cameong
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NEM ύοέʔδ, Ϟδϡʔϧ
• python
• https:/
/github.com/NemProject/nem-py ( ෆे)
• node
• https:/
/www.npmjs.com/package/nem-api (ෆे)
ࢿྉ
• http:/
/qiita.com/him0net/items/9052b59db7c16c3c5540
19 @cameong
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Zcash
20 @cameong
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Zcash Λૹۚ
// zΞυϨεͷੜ
zcash-cli z_getnewaddress
// อ༗͍ͯ͠ΔzΞυϨεͷҰཡ֬ೝ
zcash-cli z_listaddresses
// zcash-cli z_listreceivedbyaddress "$address"
21 @cameong
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Zcash ͷૹۚ
• Poloniex ͔ΒtΞυϨεʹૹۚͨ͠Βɺself goxͨ͠(ͬΆ͍).
• υΩϡϝϯτʹzΞυϨεͷૹडۚʹ͍ͭͯͷهࡌ͋Δ͕ɺ
tΞυϨε΄ͱΜͲͳ͍.
• tΞυϨεbitcoinͱಉ͡Α͏ʹૢ࡞Ͱ͖Δɺͱͷهड़͕͋Δ
ͷͰ bitcoinྗΛ্͔͛ͯΒ࠶νϟϨϯδ͍ͨ͠.
22 @cameong
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Zcash ؔ࿈πʔϧ
• ΤΫεϓϩʔϥ
• https:/
/explorer.zcha.in/
23 @cameong
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Zcash ύοέʔδ, Ϟδϡʔϧ
• python
• Έ͋ͨΒͳ͍
24 @cameong
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·ͱΊ
- Bitcoin
- ௐΕใ͕ΘΜ͔͞ग़ͯ͘Δ. SPV ͷใ๛.
- ֤ݴޠͷϞδϡʔϧ, ύοέʔδ͕๛ʹ͋Δ.
- NEM ެࣜͷπʔϧҎ֎ɺใ͕ݹ͍.
- ֤ݴޠͷϞδϡʔϧ, ύοέʔδ͕ຆͲͳ͍.
- Zcash
- ͳΜͰ͍͍͔ΒɺใΛ͍ͩ͘͞.
25 @cameong
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·ͱΊ2
• શ෦
• ։ൃऀɾ༁ऀͳͲίϯτϦϏϡʔλ͕Γ͍ͯͳ͍ݱঢ়.
• ͱ͍͑ɺίΞ։ൃϋʔυϧߴ͍...
• पล͖ͳݴޠͷϞδϡʔϧ,ύοέʔδ࡞͔ΒͰɺͳʹ
͔࡞ͬͯΈΑ͏!
26 @cameong
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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
27 @cameong