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Bytestamplogo Eng Ita
Bytestamplogointero2
Blockchain Proof Of Existence Service
ByteStamp Datacoin address: D8GafEsbyssg4TQN71KTbd8QdRg846MxCQ - ByteStamped in transaction 78c8b327930ec9ec4e280801e2ebba190add5bcbeca295dba9992d5e2cb455bb
ByteStamp Bitcoin address: 17NLK9siFN7byh6Uskk9oDSvNHvWQrRxJz
FAQ
Privacy Policy 4

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Field Value
md5 2df0a55921e392fae9fd2134c2979f42
owner BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN
inputtx FirstIssue
previousowner BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN
idop ET1
Signed Message {md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}
Previous Owner Sign H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=
ByteStamp Signed Message {{md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}, prevownersign => H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=}
ByteStamp Sign IMuO2nuZEwYpgTK5r7Y58mT4aKA98wOav43oPyORN+1yDNe754ZCKxaEjY0yhm1+Nijb6cAXyxqZnClT9jssjQk=
Previous Asset Transaction Hash 9acd7ecca1af6fa54b535241440056fe
To Be Hashed {{{{md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}, prevownersign => H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=}, bytestampsign => IMuO2nuZEwYpgTK5r7Y58mT4aKA98wOav43oPyORN+1yDNe754ZCKxaEjY0yhm1+Nijb6cAXyxqZnClT9jssjQk=}, prevhash => 9acd7ecca1af6fa54b535241440056fe}
Hash ba74db1032ed230d6487aa6ad2f29e4f
All Data ASSET:{{{{{md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}, prevownersign => H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=}, bytestampsign => IMuO2nuZEwYpgTK5r7Y58mT4aKA98wOav43oPyORN+1yDNe754ZCKxaEjY0yhm1+Nijb6cAXyxqZnClT9jssjQk=}, prevhash => 9acd7ecca1af6fa54b535241440056fe}, hash => ba74db1032ed230d6487aa6ad2f29e4f}





What does it mean?

1. The Message

{md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}

transfers the ownerhip of the asset with md5

2df0a55921e392fae9fd2134c2979f42

from the owner

BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN

to the owner

BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN

2. This Message is signed by the Previous Owner with the private key corresponding to

BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN

because only the Previous Owner can transfer the asset to a New Owner
3. Everyone can check the Previous Owner Sign

H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=

against the Message and the address

BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN

4. Then the previous owner sign is appended to the message obtaining the new message

{{md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}, prevownersign => H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=}

5.This new message is signed By Bytestamp with the private key corresponding to the DTC address D8GafEsbyssg4TQN71KTbd8QdRg846MxCQ , that is on ByteStamp Web Site and also saved in the Datacoin Blockchain in transaction 78c8b327930ec9ec4e280801e2ebba190add5bcbeca295dba9992d5e2cb455bb
6. Then the Bytestamp sign

IMuO2nuZEwYpgTK5r7Y58mT4aKA98wOav43oPyORN+1yDNe754ZCKxaEjY0yhm1+Nijb6cAXyxqZnClT9jssjQk=

is appended to the message togheter with the Hash of the Previous Transaction containing a data Asset:

9acd7ecca1af6fa54b535241440056fe
7.So we have a new message

{{{{md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}, prevownersign => H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=}, bytestampsign => IMuO2nuZEwYpgTK5r7Y58mT4aKA98wOav43oPyORN+1yDNe754ZCKxaEjY0yhm1+Nijb6cAXyxqZnClT9jssjQk=}, prevhash => 9acd7ecca1af6fa54b535241440056fe}

on which is calculated an hash, just as a blockchain works (hashcash)
8. This hash

ba74db1032ed230d6487aa6ad2f29e4f

is appended to the Message and we have the final Message

ASSET:{{{{{md5 => 2df0a55921e392fae9fd2134c2979f42, owner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, inputtx => FirstIssue, previousowner => BTC:1GbRnAcczV4MxSJLAJtBXXAYuonji1jXnN, idop => ET1}, prevownersign => H8YImdFYr4Zf7TcTeq4wOc0xXrt6wZbWJt7W6+EaXITTaFifw4DsMPBwXvxO7hyUdT2nOVTuHsFuMGlOjfzUd+g=}, bytestampsign => IMuO2nuZEwYpgTK5r7Y58mT4aKA98wOav43oPyORN+1yDNe754ZCKxaEjY0yhm1+Nijb6cAXyxqZnClT9jssjQk=}, prevhash => 9acd7ecca1af6fa54b535241440056fe}, hash => ba74db1032ed230d6487aa6ad2f29e4f}

with the initial tag

ASSET:

which identifies the data as an Asset transaction
9. This final Message is stored in the Datacoin BlockChain, so nobody can change an ownership transfer once it happened.
_
Note1 We transfer the ownership of the file which has a unique MD5 previously uploaded on ByteStamp. Since the file can be or can not to be public, we can transfer the ownership also without knowing what the asset is
Note2 Yes, we can also transfer assets accross Datacoin and Bitcoin addresses.



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