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Blockchain ⛓ 🍽
twitter: @agfo_se
Blockchain ⛓ 🍽
twitter: @agfo_se
2017-01-05
Blockchain ⛓ 🍽
twitter: @agfo_se
Blockchain ⛓ 🍽
twitter: @agfo_se
Det gröna näringslivets mediehus
Vi når 1,2 miljoner
läsare och användare
i digitala och tryckta
kanaler – varje vecka
#foodtech #agtech
Tar med innehåll och tjänster greppet kring
digitalisering och innovation i matkedjan.
Människorna Tekniken PengarnaMaten
@Agfo_se
Viktigaste
nyheterna
Spännande
profiler
Din nya
kalender!Spaning
@Agfo_se
Signa upp på Agfo Weekly här:
http://bit.ly/2yVDWB1
Hämta kartan på agfo.se – svensk och engelsk version finns!
Blockchain intro
@Agfo_se
En distribuerad öppen databas där transaktioner
lagras i ”block”. Blocken är länkade med varandra
och säkras med hjälp av kryptering.
Vad är blockchain?
@Agfo_se
Centraliserad vs. distribuerad
Ingen
enskild
sårbar
punkt
Ingen
central
kontroll
Databas
utspridd på
många
s.k. noder
En
sårbar
punkt
Databas
lagrad på
en plats
CENTRALI-
SERAD
DISTRIBU-
ERAD
@Agfo_se
Transaktioner i en kedja av block
En transaktion startas
och skickas till nätverket
Transaktion valideras av
övriga noder i nätverket
Den verifierade
transaktionen läggs till
kedjan av block
Blockets äkthet
garanteras av
nätverket och säkras
med en kryptografisk
nyckel
@Agfo_se
Applikationer
VALUTOR /
ÖVERFÖRING AV VÄRDE
Bitcoin först
och störst
Ytterligare 1324 st, däribland
FoodCoin
Transaktioner mellan banker
Statliga kryptovalutor
REPRESENTATION AV
TILLGÅNGAR
”TOKENIZATION”
Ägarandel i företag - digital
aktie
Fastighetsregister
Finansiella instrument -
futures, forwards, etc
Data!
IoT
Handel över tillgångstyper
och landsgränser
”TRANSPARENCY” /
DEMOKRATI /
SPÅRBARHET
Röstning
Patientjournal
Leveranskedja
”Supply chain”
En råvaras ursprung
”TRUSTLESS
TRANSACTIONS”
Köpa och sälja varor utan
betrodd mellanhand
Försäkring utan
försäkringsbolag
Fler mellanhänder:
* Banker
* Mäklare
* Butiker
@Agfo_se
Blockchain ⛓ 🍽
twitter: @agfo_se
twitter: @agfo_se
Blockchain ⛓ 🍽

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