mongodb europe 2016 - distributed ledgers, blockchain + mongodb

MongoDB + BlockchainBryan Reinero

Counterparty RiskAccounting

Smart ContractsElections

t0

tn

+4 -2 +5 +7 -4 +9 -3 -6 +2 +1 +1 +5

t(12) = 9

State

Event Sourcing+

CQRS

t0

tn

+4 -2 +5 +7 -4 +9 -3 -6 +2 +1 +1 +5

t(12) = 9

t0

tn

+4 -2 +5 +7 -4 +9 -3 -6 +2 +1 +1 +5

t(12) = 5

+4 -2 +5 +7 -4

t0

tn

+9 -3 -6 +2 86 99 78

Security+

Consensus

Milton

Milton

SHA-256

Milton

Karl SHA-256

Milton

Karl

Milton

SHA-256

MiltonKarl

Milton

SHA-256

Alan

SHA-256

{ "_id" : "08f906a56b8d42...312171b966a8c502b", "ver" : 1, "inputs" : [ { "sequence" : NumberLong("4294967295"), "tx_index" : 154820346, "addr" : "12GV8BDpTFBsZrteSRkJ3gBWGxmPpLHHB7", "value" : NumberLong(4750048), "script" : "76a9140de5d77abb482...f734388ac" } ], "out" : [ { "addr" : "1H961QbXzizYjvafNwu5YigjQ2ZRD26sDd", "value" : NumberLong(4620000), "script" : "76a914b1098516d4fcc...4260c39410bd482c588ac" }, ], "blockHash" "000000000000000001a8...aa1257e625bfc4eb6a171615f46", "block_height" : 416369}

{ "_id" : "08f906a56b8d42...312171b966a8c502b", "ver" : 1, "inputs" : [ { "sequence" : NumberLong("4294967295"), "tx_index" : 154820346, "addr" : "12GV8BDpTFBsZrteSRkJ3gBWGxmPpLHHB7", "value" : NumberLong(4750048), "script" : "76a9140de5d77abb482...f734388ac" } ], "outputs" : [ { "addr" : "1H961QbXzizYjvafNwu5YigjQ2ZRD26sDd", "value" : NumberLong(4620000), "script" : "76a914b1098516d4fcc...4260c39410bd482c588ac" }, ], "blockHash": "000000000000000001a8...aa1257e625bfc4eb6a171615f46", "block_height" : 416369}

Milton

Ben

Blythe

KarlAlan

Milton

Ben

Blythe

KarlAlan

$graphLookup

Security+

Consensus

Karl

Milton

SHA-256

000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f

0000000000000bae09a7a393a8acded75aa67e46cb81f7acaa5ad94f9eacd103a

0000000000000bae09a7a393a8acded75aa67e46cb81f7acaa5ad94f9eacd103a

0000000000000bae09a7a393a8acded75aa67e46cb81f7acaa5ad94f9eacd103a

hash(nonce )

0 1 2 3 4

t0

tn

4

5 6 7 8 9 10 11

5 6 7

0 1 2 3 4

t0

tn

4

5 6 7 8 9 10 11

5 6 7

3 4 5 6

t0

tn

risk

1 2 3 4 5 6 7 8 9 10 11 12

t1

t12

1 2 3 4 5 6 7 8 9 10 11 12

t1

t12

?

t2

t13

2 3 4 5 6 7 8 9 10 11 12 13

t3

t14

3 4 5 6 7 8 9 10 11 12 13 14

t4

t15

4 5 6 7 8 9 10 11 12 13 14 15

t5

t16

5 6 7 8 9 10 11 12 13 14 15 16

t6

t17

6 7 8 9 10 11 12 13 14 15 16 17

t6

t17

7 8 9 10 11 12 13 14 15 16 17 18

11 5 8 8 3 7 4 1 4 7 117 1 1 13 2 10 11 10 9 14 139 8 2 6 5 14 9 9 7 4 1310 6 10 6 11 1 5 9 5 4

1214 14 10

t0

tn

2 88

4 78

6846452539177

Thanks!@blimpyacht

https://github.com/breinero/blockchain_demo