Ecoer Logo

@heewonkim

33
steemit.com/@heewonkim
VOTING POWER100.00%
DOWNVOTE POWER100.00%
RESOURCE CREDITS100.00%
REPUTATION PROGRESS13.07%
Net Worth
0.075USD
STEEM
1.293STEEM
SBD
0.000SBD
Effective Power
1.201SP
├── Own SP
0.000SP
└── Incoming Deleg
+1.201SP

Detailed Balance

STEEM
balance
1.000STEEM
market_balance
0.000STEEM
savings_balance
0.000STEEM
reward_steem_balance
0.293STEEM
STEEM POWER
Own SP
0.000SP
Delegated Out
0.000SP
Delegation In
1.201SP
Effective Power
1.201SP
Reward SP (pending)
0.296SP
SBD
sbd_balance
0.000SBD
sbd_conversions
0.000SBD
sbd_market_balance
0.000SBD
savings_sbd_balance
0.000SBD
reward_sbd_balance
0.000SBD
{
  "balance": "1.000 STEEM",
  "savings_balance": "0.000 STEEM",
  "reward_steem_balance": "0.293 STEEM",
  "vesting_shares": "0.000000 VESTS",
  "delegated_vesting_shares": "0.000000 VESTS",
  "received_vesting_shares": "1953.311140 VESTS",
  "sbd_balance": "0.000 SBD",
  "savings_sbd_balance": "0.000 SBD",
  "reward_sbd_balance": "0.000 SBD",
  "conversions": []
}

Account Info

nameheewonkim
id1179413
rank1,590,808
reputation8005857937
created2018-11-21T14:03:45
recovery_accountsteem
proxyNone
post_count1
comment_count0
lifetime_vote_count0
witnesses_voted_for0
last_post2018-11-28T15:41:57
last_root_post2018-11-28T15:41:57
last_vote_time2018-12-10T03:59:42
proxied_vsf_votes0, 0, 0, 0
can_vote1
voting_power0
delayed_votes0
balance1.000 STEEM
savings_balance0.000 STEEM
sbd_balance0.000 SBD
savings_sbd_balance0.000 SBD
vesting_shares0.000000 VESTS
delegated_vesting_shares0.000000 VESTS
received_vesting_shares1953.311140 VESTS
reward_vesting_balance595.849031 VESTS
vesting_balance0.000 STEEM
vesting_withdraw_rate0.000000 VESTS
next_vesting_withdrawal1969-12-31T23:59:59
withdrawn0
to_withdraw0
withdraw_routes0
savings_withdraw_requests0
last_account_recovery1970-01-01T00:00:00
reset_accountnull
last_owner_update1970-01-01T00:00:00
last_account_update1970-01-01T00:00:00
minedNo
sbd_seconds0
sbd_last_interest_payment1970-01-01T00:00:00
savings_sbd_last_interest_payment1970-01-01T00:00:00
{
  "active": {
    "account_auths": [],
    "key_auths": [
      [
        "STM69MnadUzprPanYhYkxuRYJ7XCuqwnKoSu8xEj3B21LDQFmLT2C",
        1
      ]
    ],
    "weight_threshold": 1
  },
  "balance": "1.000 STEEM",
  "can_vote": true,
  "comment_count": 0,
  "created": "2018-11-21T14:03:45",
  "curation_rewards": 0,
  "delegated_vesting_shares": "0.000000 VESTS",
  "downvote_manabar": {
    "current_mana": 488327785,
    "last_update_time": 1588932501
  },
  "guest_bloggers": [],
  "id": 1179413,
  "json_metadata": "{}",
  "last_account_recovery": "1970-01-01T00:00:00",
  "last_account_update": "1970-01-01T00:00:00",
  "last_owner_update": "1970-01-01T00:00:00",
  "last_post": "2018-11-28T15:41:57",
  "last_root_post": "2018-11-28T15:41:57",
  "last_vote_time": "2018-12-10T03:59:42",
  "lifetime_vote_count": 0,
  "market_history": [],
  "memo_key": "STM5eHWCvguRdhFH9h9Bwdm16u1fLxU2Z9sjqG6sKuXW5n7CjDUYA",
  "mined": false,
  "name": "heewonkim",
  "next_vesting_withdrawal": "1969-12-31T23:59:59",
  "other_history": [],
  "owner": {
    "account_auths": [],
    "key_auths": [
      [
        "STM6Zxxmih6zRVcNmHsTyvf7m6S1fU5pScqFj3AsvtBYeUXey6mmB",
        1
      ]
    ],
    "weight_threshold": 1
  },
  "pending_claimed_accounts": 0,
  "post_bandwidth": 0,
  "post_count": 1,
  "post_history": [],
  "posting": {
    "account_auths": [],
    "key_auths": [
      [
        "STM7b1RH3MosPUzp46cmh7EY6x6fHPtzniG9FD9armWYH5LMCxnzi",
        1
      ]
    ],
    "weight_threshold": 1
  },
  "posting_json_metadata": "",
  "posting_rewards": 591,
  "proxied_vsf_votes": [
    0,
    0,
    0,
    0
  ],
  "proxy": "",
  "received_vesting_shares": "1953.311140 VESTS",
  "recovery_account": "steem",
  "reputation": "8005857937",
  "reset_account": "null",
  "reward_sbd_balance": "0.000 SBD",
  "reward_steem_balance": "0.293 STEEM",
  "reward_vesting_balance": "595.849031 VESTS",
  "reward_vesting_steem": "0.296 STEEM",
  "savings_balance": "0.000 STEEM",
  "savings_sbd_balance": "0.000 SBD",
  "savings_sbd_last_interest_payment": "1970-01-01T00:00:00",
  "savings_sbd_seconds": "0",
  "savings_sbd_seconds_last_update": "1970-01-01T00:00:00",
  "savings_withdraw_requests": 0,
  "sbd_balance": "0.000 SBD",
  "sbd_last_interest_payment": "1970-01-01T00:00:00",
  "sbd_seconds": "0",
  "sbd_seconds_last_update": "1970-01-01T00:00:00",
  "tags_usage": [],
  "to_withdraw": 0,
  "transfer_history": [],
  "vesting_balance": "0.000 STEEM",
  "vesting_shares": "0.000000 VESTS",
  "vesting_withdraw_rate": "0.000000 VESTS",
  "vote_history": [],
  "voting_manabar": {
    "current_mana": 1953311140,
    "last_update_time": 1588932501
  },
  "voting_power": 0,
  "withdraw_routes": 0,
  "withdrawn": 0,
  "witness_votes": [],
  "witnesses_voted_for": 0,
  "rank": 1590808
}

Withdraw Routes

IncomingOutgoing
Empty
Empty
{
  "incoming": [],
  "outgoing": []
}
From Date
To Date
steemdelegated 1.201 SP to @heewonkim
2020/05/08 10:08:21
43,194,068|9516d27
delegateeheewonkim
delegatorsteem
vesting shares1953.311140 VESTS
Transaction InfoBlock #43194068/Trx 9516d27b87c1e345ba49682266ea1dbd1151918d
View Raw JSON Data
{
  "block": 43194068,
  "op": [
    "delegate_vesting_shares",
    {
      "delegatee": "heewonkim",
      "delegator": "steem",
      "vesting_shares": "1953.311140 VESTS"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2020-05-08T10:08:21",
  "trx_id": "9516d27b87c1e345ba49682266ea1dbd1151918d",
  "trx_in_block": 16,
  "virtual_op": 0
}
steemdelegated 6.037 SP to @heewonkim
2020/02/08 05:42:33
40,631,389|2b549d7
delegateeheewonkim
delegatorsteem
vesting shares9814.276834 VESTS
Transaction InfoBlock #40631389/Trx 2b549d780b59985084eb7e627cbc0cd462b5e78e
View Raw JSON Data
{
  "block": 40631389,
  "op": [
    "delegate_vesting_shares",
    {
      "delegatee": "heewonkim",
      "delegator": "steem",
      "vesting_shares": "9814.276834 VESTS"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2020-02-08T05:42:33",
  "trx_id": "2b549d780b59985084eb7e627cbc0cd462b5e78e",
  "trx_in_block": 29,
  "virtual_op": 0
}
steemitboardreplied to @heewonkim / steemitboard-notify-heewonkim-20191121t152330000z
2019/11/21 15:23:30
38,372,113|2c687e5
authorsteemitboard
bodyCongratulations @heewonkim! You received a personal award! <table><tr><td>https://steemitimages.com/70x70/http://steemitboard.com/@heewonkim/birthday1.png</td><td>Happy Birthday! - You are on the Steem blockchain for 1 year!</td></tr></table> <sub>_You can view [your badges on your Steem Board](https://steemitboard.com/@heewonkim) and compare to others on the [Steem Ranking](https://steemitboard.com/ranking/index.php?name=heewonkim)_</sub> ###### [Vote for @Steemitboard as a witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1) to get one more award and increased upvotes!
json metadata{"image":["https://steemitboard.com/img/notify.png"]}
parent authorheewonkim
parent permlink2blgv9
permlinksteemitboard-notify-heewonkim-20191121t152330000z
title
Transaction InfoBlock #38372113/Trx 2c687e5e3d4545a58213f19d2c697b6799805ba9
View Raw JSON Data
{
  "block": 38372113,
  "op": [
    "comment",
    {
      "author": "steemitboard",
      "body": "Congratulations @heewonkim! You received a personal award!\n\n<table><tr><td>https://steemitimages.com/70x70/http://steemitboard.com/@heewonkim/birthday1.png</td><td>Happy Birthday! - You are on the Steem blockchain for 1 year!</td></tr></table>\n\n<sub>_You can view [your badges on your Steem Board](https://steemitboard.com/@heewonkim) and compare to others on the [Steem Ranking](https://steemitboard.com/ranking/index.php?name=heewonkim)_</sub>\n\n\n###### [Vote for @Steemitboard as a witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1) to get one more award and increased upvotes!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notify.png\"]}",
      "parent_author": "heewonkim",
      "parent_permlink": "2blgv9",
      "permlink": "steemitboard-notify-heewonkim-20191121t152330000z",
      "title": ""
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2019-11-21T15:23:30",
  "trx_id": "2c687e5e3d4545a58213f19d2c697b6799805ba9",
  "trx_in_block": 5,
  "virtual_op": 0
}
steemdelegated 6.157 SP to @heewonkim
2019/03/11 04:26:12
31,049,985|c18fea7
delegateeheewonkim
delegatorsteem
vesting shares10010.595782 VESTS
Transaction InfoBlock #31049985/Trx c18fea7982ec4e1863899cf26c972c2d048da13e
View Raw JSON Data
{
  "block": 31049985,
  "op": [
    "delegate_vesting_shares",
    {
      "delegatee": "heewonkim",
      "delegator": "steem",
      "vesting_shares": "10010.595782 VESTS"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2019-03-11T04:26:12",
  "trx_id": "c18fea7982ec4e1863899cf26c972c2d048da13e",
  "trx_in_block": 19,
  "virtual_op": 0
}
steemdelegated 18.513 SP to @heewonkim
2019/01/31 12:00:15
29,936,724|af6f804
delegateeheewonkim
delegatorsteem
vesting shares30099.196819 VESTS
Transaction InfoBlock #29936724/Trx af6f804bf83b94b8f5bad42e4b171822643ef920
View Raw JSON Data
{
  "block": 29936724,
  "op": [
    "delegate_vesting_shares",
    {
      "delegatee": "heewonkim",
      "delegator": "steem",
      "vesting_shares": "30099.196819 VESTS"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2019-01-31T12:00:15",
  "trx_id": "af6f804bf83b94b8f5bad42e4b171822643ef920",
  "trx_in_block": 23,
  "virtual_op": 0
}
steemitboardreplied to @heewonkim / steemitboard-notify-heewonkim-20181210t135732000z
2018/12/10 13:57:30
28,442,712|4906f5d
authorsteemitboard
bodyCongratulations @heewonkim! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) : <table><tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstvote.png</td><td>You made your First Vote</td></tr> </table> <sub>_[Click here to view your Board of Honor](https://steemitboard.com/@heewonkim)_</sub> <sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub> > Support [SteemitBoard's project](https://steemit.com/@steemitboard)! **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!
json metadata{"image":["https://steemitboard.com/img/notify.png"]}
parent authorheewonkim
parent permlink2blgv9
permlinksteemitboard-notify-heewonkim-20181210t135732000z
title
Transaction InfoBlock #28442712/Trx 4906f5dcb938ce83f4b87f6c96a820fa4b6a166d
View Raw JSON Data
{
  "block": 28442712,
  "op": [
    "comment",
    {
      "author": "steemitboard",
      "body": "Congratulations @heewonkim! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) :\n\n<table><tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstvote.png</td><td>You made your First Vote</td></tr>\n</table>\n\n<sub>_[Click here to view your Board of Honor](https://steemitboard.com/@heewonkim)_</sub>\n<sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub>\n\n\n\n> Support [SteemitBoard's project](https://steemit.com/@steemitboard)! **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notify.png\"]}",
      "parent_author": "heewonkim",
      "parent_permlink": "2blgv9",
      "permlink": "steemitboard-notify-heewonkim-20181210t135732000z",
      "title": ""
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-12-10T13:57:30",
  "trx_id": "4906f5dcb938ce83f4b87f6c96a820fa4b6a166d",
  "trx_in_block": 27,
  "virtual_op": 0
}
heewonkimupvoted (100.00%) @swu / 6gvnav
2018/12/10 03:59:42
28,430,765|4ad6691
authorswu
permlink6gvnav
voterheewonkim
weight10000 (100.00%)
Transaction InfoBlock #28430765/Trx 4ad6691bdf3cee84657c0b79cdef3e1f19493b6c
View Raw JSON Data
{
  "block": 28430765,
  "op": [
    "vote",
    {
      "author": "swu",
      "permlink": "6gvnav",
      "voter": "heewonkim",
      "weight": 10000
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-12-10T03:59:42",
  "trx_id": "4ad6691bdf3cee84657c0b79cdef3e1f19493b6c",
  "trx_in_block": 5,
  "virtual_op": 0
}
steemitboardreplied to @heewonkim / steemitboard-notify-heewonkim-20181206t030247000z
2018/12/06 03:02:48
28,314,497|675c1e0
authorsteemitboard
bodyCongratulations @heewonkim! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) : <table><tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstpayout.png</td><td>You got your First payout</td></tr> </table> <sub>_[Click here to view your Board of Honor](https://steemitboard.com/@heewonkim)_</sub> <sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub> **Do not miss the last post from @steemitboard:** <table><tr><td><a href="https://steemit.com/steemitboard/@steemitboard/5jrq2c-steemitboard-saint-nicholas-day"><img src="https://steemitimages.com/64x128/http://i.cubeupload.com/mGo2Zd.png"></a></td><td><a href="https://steemit.com/steemitboard/@steemitboard/5jrq2c-steemitboard-saint-nicholas-day">Saint Nicholas challenge for good boys and girls</a></td></tr></table> > Support [SteemitBoard's project](https://steemit.com/@steemitboard)! **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!
json metadata{"image":["https://steemitboard.com/img/notify.png"]}
parent authorheewonkim
parent permlink2blgv9
permlinksteemitboard-notify-heewonkim-20181206t030247000z
title
Transaction InfoBlock #28314497/Trx 675c1e04a52bfa351033d866b50a8a5821677ba7
View Raw JSON Data
{
  "block": 28314497,
  "op": [
    "comment",
    {
      "author": "steemitboard",
      "body": "Congratulations @heewonkim! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) :\n\n<table><tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstpayout.png</td><td>You got your First payout</td></tr>\n</table>\n\n<sub>_[Click here to view your Board of Honor](https://steemitboard.com/@heewonkim)_</sub>\n<sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub>\n\n\n\n**Do not miss the last post from @steemitboard:**\n<table><tr><td><a href=\"https://steemit.com/steemitboard/@steemitboard/5jrq2c-steemitboard-saint-nicholas-day\"><img src=\"https://steemitimages.com/64x128/http://i.cubeupload.com/mGo2Zd.png\"></a></td><td><a href=\"https://steemit.com/steemitboard/@steemitboard/5jrq2c-steemitboard-saint-nicholas-day\">Saint Nicholas challenge for good boys and girls</a></td></tr></table>\n\n> Support [SteemitBoard's project](https://steemit.com/@steemitboard)! **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notify.png\"]}",
      "parent_author": "heewonkim",
      "parent_permlink": "2blgv9",
      "permlink": "steemitboard-notify-heewonkim-20181206t030247000z",
      "title": ""
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-12-06T03:02:48",
  "trx_id": "675c1e04a52bfa351033d866b50a8a5821677ba7",
  "trx_in_block": 5,
  "virtual_op": 0
}
heewonkimreceived 0.293 STEEM, 0.366 SP author reward for @heewonkim / 2blgv9
2018/12/05 15:41:57
28,300,888|virtual
authorheewonkim
permlink2blgv9
sbd payout0.000 SBD
steem payout0.293 STEEM
vesting payout595.849031 VESTS
Transaction InfoBlock #28300888/Virtual Operation #4
View Raw JSON Data
{
  "block": 28300888,
  "op": [
    "author_reward",
    {
      "author": "heewonkim",
      "permlink": "2blgv9",
      "sbd_payout": "0.000 SBD",
      "steem_payout": "0.293 STEEM",
      "vesting_payout": "595.849031 VESTS"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-12-05T15:41:57",
  "trx_id": "0000000000000000000000000000000000000000",
  "trx_in_block": 4294967295,
  "virtual_op": 4
}
steemitboardreplied to @heewonkim / steemitboard-notify-heewonkim-20181129t035908000z
2018/11/29 03:59:12
28,114,100|9ee3976
authorsteemitboard
bodyCongratulations @heewonkim! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) : <table><tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstpost.png</td><td>You published your First Post</td></tr> <tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstvoted.png</td><td>You got a First Vote</td></tr> </table> <sub>_[Click here to view your Board of Honor](https://steemitboard.com/@heewonkim)_</sub> <sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub> > Support [SteemitBoard's project](https://steemit.com/@steemitboard)! **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!
json metadata{"image":["https://steemitboard.com/img/notify.png"]}
parent authorheewonkim
parent permlink2blgv9
permlinksteemitboard-notify-heewonkim-20181129t035908000z
title
Transaction InfoBlock #28114100/Trx 9ee397626d84c710b0963ffd26d972264d674c54
View Raw JSON Data
{
  "block": 28114100,
  "op": [
    "comment",
    {
      "author": "steemitboard",
      "body": "Congratulations @heewonkim! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) :\n\n<table><tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstpost.png</td><td>You published your First Post</td></tr>\n<tr><td>https://steemitimages.com/60x60/http://steemitboard.com/notifications/firstvoted.png</td><td>You got a First Vote</td></tr>\n</table>\n\n<sub>_[Click here to view your Board of Honor](https://steemitboard.com/@heewonkim)_</sub>\n<sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub>\n\n\n\n> Support [SteemitBoard's project](https://steemit.com/@steemitboard)! **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notify.png\"]}",
      "parent_author": "heewonkim",
      "parent_permlink": "2blgv9",
      "permlink": "steemitboard-notify-heewonkim-20181129t035908000z",
      "title": ""
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-11-29T03:59:12",
  "trx_id": "9ee397626d84c710b0963ffd26d972264d674c54",
  "trx_in_block": 0,
  "virtual_op": 0
}
kilu83upvoted (50.00%) @heewonkim / 2blgv9
2018/11/29 03:48:54
28,113,894|b9b13c1
authorheewonkim
permlink2blgv9
voterkilu83
weight5000 (50.00%)
Transaction InfoBlock #28113894/Trx b9b13c158e139a678f6300bbbff89a3adb5635c5
View Raw JSON Data
{
  "block": 28113894,
  "op": [
    "vote",
    {
      "author": "heewonkim",
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genemkupvoted (100.00%) @heewonkim / 2blgv9
2018/11/28 23:51:36
28,109,150|fc429e9
authorheewonkim
permlink2blgv9
votergenemk
weight10000 (100.00%)
Transaction InfoBlock #28109150/Trx fc429e907d85cd2951fc03155200001aa3346994
View Raw JSON Data
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heewonkimpublished a new post: 2blgv9
2018/11/28 15:41:57
28,099,359|d2a4270
authorheewonkim
body1. 어떻게 적용되었는가? -> 전자 투표 시스템에 블록체인 기술을 적용시킴. 투표 관련 정보 저장 방식을 중앙집중형에서 분사화 시스템으로 바꾸어 데이터가 분산 저장. 2. 어떤 문제를 해결하는가? -> 투표 신뢰성에 대한 문제 -> 해킹에 대한 문제 -> 비밀투표 보장에 대한 문제 3. 블록체인이 어떻게 해당 문제를 해결하는가?(블록체인의 특성) -> 블록체인은 '분산원장'을 이용하는 기술로 모두가 일종의 디지털 계약서를 담은 원장을 보관하고 있기 때문에 거래 내용을 투명하게 살펴볼 수 있고, 거래에 대한 신뢰가 보장됨. -> 거래 내용을 위변조 하고 싶다면 분산원장의 절반 이상을 위조 변조 해야하는데 참여자가 많은 국민 투표일수록 다수가 전체 거래 내역을 보유하고 있고 분산돼 있기 때문에 물리적인 해킹은 거의 불가능함. -> 투표 정보를 암호화해 보장하는 '제트케이-스낙(zk-snark)'기술 개발되어 세 가지를 동시에 보장해줌 1) 블록에 들어가는 투표 정보를 입력하는 A라는 유권자가 진짜 시민이라는 것 2) A가 단 한번 투표했다는 것 3) 서버 측에서 A가 누구인지 알수 없게 감추는 것 4. 동작방법 [제트케이-스낙 기술 적용한 블록체인 기반 전자투표 앱] 유권자가 앱을 다운 받고 자신을 입증하면 공개키와 개인키 부여받음 사용자들은 공개키만 선관위에 등록해 둠 등록하지 않은 개인키를 활용해 본인만의 시리얼 번호를 따로 생성하고, 이 시리얼 번호를 이용해 투표 선관위는 공개키를 통해 총 몇 명이 투표에 참여했는지 파악 가능 어떤 시리얼 번호가 '가'후보에게 투표했는지는 알 수 있지만 유권자는 본인만 아는 개인키로 숨어 있기 때문에 확인 불가능함
json metadata{"tags":["blockchain-study","kr"],"app":"steemit/0.1","format":"markdown"}
parent author
parent permlinkblockchain-study
permlink2blgv9
title블록체인을 이용한 전자 투표 시스템
Transaction InfoBlock #28099359/Trx d2a4270f443f1a1af7867fd8281038a80e4def0f
View Raw JSON Data
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      "author": "heewonkim",
      "body": "1. 어떻게 적용되었는가?\n     -> 전자 투표 시스템에 블록체인 기술을 적용시킴.\n           투표 관련 정보 저장 방식을 중앙집중형에서 분사화 시스템으로 바꾸어 데이터가 분산 저장.\n2. 어떤 문제를 해결하는가?\n     -> 투표 신뢰성에 대한 문제     \n-> 해킹에 대한 문제\n-> 비밀투표 보장에 대한 문제\n3. 블록체인이 어떻게 해당 문제를 해결하는가?(블록체인의 특성)\n     -> 블록체인은 '분산원장'을 이용하는 기술로 모두가 일종의 디지털 계약서를 담은 원장을 보관하고 있기 때문에 거래 내용을 투명하게 살펴볼 수 있고, 거래에 대한 신뢰가 보장됨.\n-> 거래 내용을 위변조 하고 싶다면 분산원장의 절반 이상을 위조 변조 해야하는데 참여자가 많은 국민 투표일수록 다수가 전체 거래 내역을 보유하고 있고 분산돼 있기 때문에 물리적인 해킹은 거의 불가능함.\n-> 투표 정보를 암호화해 보장하는 '제트케이-스낙(zk-snark)'기술 개발되어 세 가지를 동시에 보장해줌 \n     1) 블록에 들어가는 투표 정보를 입력하는 A라는 유권자가 진짜 시민이라는 것\n     2) A가 단 한번 투표했다는 것\n     3) 서버 측에서 A가 누구인지 알수 없게 감추는 것\n4. 동작방법\n     [제트케이-스낙 기술 적용한 블록체인 기반 전자투표 앱]\n유권자가 앱을 다운 받고 자신을 입증하면 공개키와 개인키 부여받음 \n사용자들은 공개키만 선관위에 등록해 둠\n등록하지 않은 개인키를 활용해 본인만의 시리얼 번호를 따로 생성하고, 이 시리얼 번호를 이용해 투표\n선관위는 공개키를 통해 총 몇 명이 투표에 참여했는지 파악 가능\n어떤 시리얼 번호가 '가'후보에게 투표했는지는 알 수 있지만 유권자는 본인만 아는 개인키로 숨어 있기 때문에 확인 불가능함",
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genemksent 1.000 STEEM to @heewonkim- "연습을 위해 1스팀을 보내드립니다."
2018/11/28 15:02:51
28,098,577|edb70b4
amount1.000 STEEM
fromgenemk
memo연습을 위해 1스팀을 보내드립니다.
toheewonkim
Transaction InfoBlock #28098577/Trx edb70b4e9d999e6ac11190a220710adc10da2cd3
View Raw JSON Data
{
  "block": 28098577,
  "op": [
    "transfer",
    {
      "amount": "1.000 STEEM",
      "from": "genemk",
      "memo": "연습을 위해 1스팀을 보내드립니다.",
      "to": "heewonkim"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-11-28T15:02:51",
  "trx_id": "edb70b4e9d999e6ac11190a220710adc10da2cd3",
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steemdelegated 18.637 SP to @heewonkim
2018/11/21 14:03:45
27,895,902|e44d4a3
delegateeheewonkim
delegatorsteem
vesting shares30300.000000 VESTS
Transaction InfoBlock #27895902/Trx e44d4a3a97ee1452ec334e8e3edf34a5b27d478a
View Raw JSON Data
{
  "block": 27895902,
  "op": [
    "delegate_vesting_shares",
    {
      "delegatee": "heewonkim",
      "delegator": "steem",
      "vesting_shares": "30300.000000 VESTS"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-11-21T14:03:45",
  "trx_id": "e44d4a3a97ee1452ec334e8e3edf34a5b27d478a",
  "trx_in_block": 0,
  "virtual_op": 0
}
steemcreated a new account: @heewonkim
2018/11/21 14:03:45
27,895,902|e44d4a3
active{"account_auths":[],"key_auths":[["STM69MnadUzprPanYhYkxuRYJ7XCuqwnKoSu8xEj3B21LDQFmLT2C",1]],"weight_threshold":1}
creatorsteem
extensions[]
json metadata{}
memo keySTM5eHWCvguRdhFH9h9Bwdm16u1fLxU2Z9sjqG6sKuXW5n7CjDUYA
new account nameheewonkim
owner{"account_auths":[],"key_auths":[["STM6Zxxmih6zRVcNmHsTyvf7m6S1fU5pScqFj3AsvtBYeUXey6mmB",1]],"weight_threshold":1}
posting{"account_auths":[],"key_auths":[["STM7b1RH3MosPUzp46cmh7EY6x6fHPtzniG9FD9armWYH5LMCxnzi",1]],"weight_threshold":1}
Transaction InfoBlock #27895902/Trx e44d4a3a97ee1452ec334e8e3edf34a5b27d478a
View Raw JSON Data
{
  "block": 27895902,
  "op": [
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      "creator": "steem",
      "extensions": [],
      "json_metadata": "{}",
      "memo_key": "STM5eHWCvguRdhFH9h9Bwdm16u1fLxU2Z9sjqG6sKuXW5n7CjDUYA",
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Account Metadata

POSTING JSON METADATA
None
JSON METADATA
None
{
  "posting_json_metadata": {},
  "json_metadata": {}
}

Auth Keys

Owner
Single Signature
Public Keys
STM6Zxxmih6zRVcNmHsTyvf7m6S1fU5pScqFj3AsvtBYeUXey6mmB1/1
Active
Single Signature
Public Keys
STM69MnadUzprPanYhYkxuRYJ7XCuqwnKoSu8xEj3B21LDQFmLT2C1/1
Posting
Single Signature
Public Keys
STM7b1RH3MosPUzp46cmh7EY6x6fHPtzniG9FD9armWYH5LMCxnzi1/1
Memo
STM5eHWCvguRdhFH9h9Bwdm16u1fLxU2Z9sjqG6sKuXW5n7CjDUYA
{
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    "account_auths": [],
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  "memo": "STM5eHWCvguRdhFH9h9Bwdm16u1fLxU2Z9sjqG6sKuXW5n7CjDUYA"
}

Witness Votes

0 / 30
No active witness votes.
[]