►
Description
Le jeudi 17 mars à 14:00 CET, Hyperledger Francophone avec Greg Scullard organise un meetup virtuel sur Hyperledger Fabric. Utiliser le consensus Hedera Hashgraph.
------ Description ------
Lors de cette réunion, nous allons découvrir comment l'architecture modulable de consensus d'Hyperldeger Fabric peut utiliser le consensus de Hedera Hashgraph. Hedera Hashgraph est un réseau distribué publique qui est rapide, juste et sécurisé, ce qui peut apporter plus de débit, sécurité et confiance à Hyperledger Fabric.
------ À propos du orateur ------
Depuis 1981 Greg n'a jamais cessé de développer du logiciel. Sa grand-mère était très fière quand le nom de son petit-fils âgé de 12 ans est apparu sur la couverture d'un magazine informatique. Avant de rejoindre Hedera Hashgraph en tant que Lead Developer Advocate, Greg a passé presque 30 ans à travailler pour des petites, moyennes et grandes entreprises dans le monde du logiciel et a tenu presque tous les rôles. Destiné pour une fin de carrière en tant que dirigeant, il a développé et publié deux applications mobiles dans son temps libre, ce qui lui a fait réaliser que le développement logiciel et travailler avec des développeurs était ce qui le motivait. Hedera est arrivé juste au bon moment.
----
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A
A
B
To
all,
thank
you
for
taking
time
to
listen
to
me
today
and
then
can
-be
asking
questions
at
the
end,
so
I'm
actually
greek.
This
qr1
based
in
france,
the
values
loses
1.4
for
c
uld,
see
for
four
years
or
so,
and
I
basically
take
care
of
all
all
t,
chnical
relations
with
our
devel
per
ecosystem,
that
they
be
crypto,
natives
or
businesses.
B
So
and
races
is
a
public
network
which
is
quite
different
from
the
most
of
the
public
networks
that
exist
today.
Insofar
as
it
is
very,
very
efficient,
we
have
very
high
levels
of
performance
is
also
a
governance
that
differs
insofar
as,
and
rats
is
governed
by
large
companies
from
large
industrial
groups
around
the
world
in
several
different
industrial
verticals.
B
To
ensure
that
we
are
not
to
say
that
if
it
was
only
banks
or
only
insurers
or
that
technology
companies,
we
would
eventually
have
decisions
that
are
made
at
the
governance
level
that
are
focused
in
this
wine
in
the
direction
of
these
particular
companies.
There.
We
really
try
to
invite
on
the
high
level
of
governance,
of
all
the
tweets,
all
types
of
companies
around
the
world
to
have
maximum
plurality.
B
These
companies
are
also
at
the
headquarters
of
and
rats
for
three
years,
a
first
term
of
three
years,
which
is
possibly
renewable
a
second
time
for
three
years,
but
after
a
maximum
of
six
years,
they
no
longer
have
a
priori
the
right
to
return
to
the
seat
of
governance,
also
to
the
administration.
Unless,
eventually
we
decide
it
is
ten
years
or
so
to
invite
them
back
and
when
I
say
we.
Actually,
it
is
the
board
of
directors
of
and
racques
which
made
up
of
these
companies
up
to
39
who
make
decisions.
B
So
it's
not
my
decision,
it's
not
the
decision
of
the
staff
terra,
it's
really
the
decision
of
the
board
of
the
board,
so
this
board
we
are
not
rats
is
still
building
it.
We
got
to
26
today,
so
you
can
see
the
names
there
d
companies
that
govern,
but
from
yesterday
to
today-
and
this
governance
is
complete-
they
take
care
of
absolutely
everything,
whether
at
the
technical
level,
they
are
the
ones
who
manage
the
roadmap.
They
are
the
ones
who
decide
how
the
advanced
platform
they
are,
the
ones
who
decide
the
whole
crypto
economy.
B
B
For
the
moment
there
are
twenty-six
members,
so
it's
one
out
of
26
when
it
comes
to
voting
on
decisions
in
the
long
term,
when
there
will
only
be
39
whether
we
are
gogol
or
whether
we
are
able
to
snipe
to
take
two
companies
that
are
on
one
side
can
oppose
at
the
level
mark
cap
gaulle
to
as
many
decision-making
powers
as
snarr
knew.
There
are
no
people
bigger
than
the
others.
What
so
it's
really
distributed
and
decentralized
in
the
sense
there.
B
If
we
then
look
at
what
what
and
the
constituted
rails
have
so
we
have
a
network.
My
note,
so
that's
the
stable
network,
which
continues
we.
There
are
other
net
test
networks
and
net
prices
for
my
development
activities,
but
the
mind
network
is
indeed
the
network
that
continues
on
this
network.
We
have
three
main
services:
the
consensus
service,
the
token
service
which
is
native
so
no
rc
vin
or
to
pay
721
for
those
who
know
know
been
re
handed,
not
forced
intelligent.
B
So
the
really
spearhead
to
help
is
7.
This
stability
that
comes
from
governance.
It
is
a
very
high
level
of
performance
that
we
will
see
later
hour
and
a
multitude
of
use
cases.
We
are
not
really
oriented
only
defends
and
at
only
9
t
we
can
really
cover
quite
a
bit
a
whole
bunch
of
rod
frames
different
uses,
including
integration
with
with
three
matches
at
top
level
ecosystems.
You
p
You,
can
see
here
the
development
tools
that
are
available
as
SDKs
the
integrators
we
work
with,.
So
that's
really
our
strength
in
deploying
solutions.
B
The
exchange
platforms
on
which
we
find
another
cryptocurrency
and
then
and
then
here
are
other
other,
more
or
less
important
things.
The
portfolio
and
at
the
prg,
if
we
look
after
the
way,
we
focus
a
little
on
the
level
of
performance
and
the
groans,
so
we
are
today
we
are
capable
of
10,000
transactions
per.
Second.
All
all
types
of
transactions
cannot
necessarily
evolve
to
this
kind
of
performance.
They
look
at
contracts,
intelligence,
it's
more
like
300,400
transactions
per
second,
but
overall
on
the
type
of
transaction
mix
that
we
can
have
on
ai
already
c.
B
For
the
moment,
ten
thousand
transactions
per
second.
So
that's
what
we
can
do
it's
a
bit
like
a
four-lane
highway.
We
can
put
b
many
people
on
August
15,
where
you
can
have
two
or
three
people
at
night.
So
what
we
see
today
on
the
match
is
not
necessarily
representative
of
what
we
can
do
it
is.
These
are
the
face
cases
that
are
that
are
running
at
this
exact
moment.
B
At
the
transaction
level,
we
have
passed
the
framework
2
billion
transactions
since
another
open
access
in
september
2019
so
that
it
surpasses
in
india
is
surpassed
by
far
and
terium
by
example,
and
yuri
most
of
the
other
networks
to
the
public,
and
when
we
talk
about
transactions,
these
are
real
transactions.
Here.
These
are
not
consensus.
Exchanges
between
the
nodes,
each
of
these
two
billion
transactions,
were
motivated
by
a
user
of
the
platform.
B
B
Unlike
to
other
platforms
that
express
their
transaction
fees
in
their
crypt
currencies
in
their
currency
clip,
we
made
a
conversion
following
the
exchange
rate
in
near
real
time.
It's
updated
every
hour,
so
a
company
that
wants
to
serve
as
nra
can
predict
six
moves
in
the
long
term,
without
necessarily
being
at
the
mercy
of
fluctuations
in
the
price
of
a
crypt
currency.
B
So
what
we
worked
with
with
30
plage,
and
it
started
quite
a
while
ago.
In
fact,
in
april,
2019
ibm
entered
the
nra
board
of
directors
in
may,
2019
we
joined
or
and
rats
joined.
The
community
is
not
the
job
and
we
met
2020.
We
had
the
first
lab
in
place
for
integration
between
el
hadj
manufactures
and
consensus
and
rats
and
beyond
that
in
particular.
We
continue
to
work
quite
closely
with
the
dja
in
general,
so
there
recently
we
have
installed
the
v
m
surveys
m
bessou
for
our
intelligent
countries.
B
B
B
Third
party
networks
that
don't
have
necessarily
want
to
exploit
rats
as
an
execution
engine
or
other,
but
who
steal
or
who
are
always
looking
for
a
public
consensus
engine
to
adjust,
manage
the
scheduling,
the
order
of
their
transactions
to
take
advantage
of
two,
how
to
say
the
confidence
that
we
can
bring
a
decentralized
public
network.
And
so
it
is
this
consensus
service.
In
fact,
it
is
achraf
the
consensus
through
an
api
which
can
be
which
can
be
used
relatively
easily
and
as
gisèle.
B
The
associated
costs
to
the
operation
of
this
service
are
low
to
the
thousandth.
Us
dollar
is
predictable
so
because
our
our
fees
are
fixed
in
west
east,
then
the
consensus
service
can
therefore
be
used
to
give
the
trans
private
network
actions
or
in
other
cases
it
is
for
for
the
jo.
So
not
only
the
consensus
and
rats
or
achraf
is
very
fast,
and
we
obtain
this
finality
in
3
and
a
half
seconds.
All
the
services
and
races
are
also
fair,
fair
in
the
sense
that
we
do
n't
have
a
leader
in
achraf.
B
We
don't
have
a
leader
to
create
blocks.
There
is
no
moment
a
node
which
is
responsible
for
the
creation
of
a
block,
and
that
is
very
important
in
the
fair
level
unlimited
in
the
sense
that,
when
a
node
has
the
possibility
of
creating
a
block
on
a
public
network,
this
node
that
choosing
which
transaction
to
include
in
block
is
typically
done
on
a
financial
basis
which
transactions
are
of
most
interest
for
honor
at
the
financial
return
level.
B
So
we
eventually
come
to
cases
where
a
transaction
is
not
executed
for
quite
a
long
time,
because
it
is
not
favorable
to
the
nodes.
So
they
remain
in
memory
until
at
this.
That
one
decides
to
include
it
in
a
block,
which
also
means
that
certain
players
can
pay
more
to
prioritize
during
their
transaction
or
even
on
certain
public
networks.
The
cannot
sometimes
insert
a
transaction
to
itself
to
extract
one
of
the
additional
value
in
a
as
part
of
a
trade
in
defense,
with
with
a
giraffe
has
no
leader,
we
don't
have
us
all.
B
Transactions
are
sequenced
and
time-
ordered
completely
a
function
of
when
the
entire
network
reached
consensus
for
7
for
this
transaction.
So
it's
one
of
the
most
fair
consensus
engines,
high
level
usage
oriented,
so
it
eventually
allows
private
networks
as
a
major
principle
to
take
advantage
of
these
fairness,
benefits
of
kits
empowered
while
having
a
level
of
performance
that
is
more
than
sufficient
for
most
private
networks
insofar
as,
as
said,,
we
can
do
between
six
and
ten
nights,
tr
ansactions
per
second
for
the
for
the
consensus
condom
service.
B
So
how
does
the
account
of
the
consensus
service
work?
It's
relatively
simple!
Actually,
if
you
know
the
principle
of
the
matches
they
had
in
english,
I
play
bly
the
French
term,
where
we
send
a
message
to
a
rocker
and
we
can
subscribe
to
this
mass
and
throw
or
to
receive
the
messages.
The
consensus
and
rats
service
is
very
simple
and
very
similar.
In
fact,
we
created
a
topic
on
and
rats.
So
that's
is
it's
a
common
like
a
piano,
a
communication
channel,
in
fact,
towards
which
we
send
a
message.
B
This
message
is
totally
arbitrary:
it
can
be
the
hb
of
a
transaction,
it
can
be
text,
it
can
be
encrypted
data.
It
can
be
really
anything
that
we
see
on
this
on
this
topic,
so
that's
the
submission
of
a
message,
the
network
and
then
raves.
So
that's
that
it's
in
the
form
of
a
transaction
which
contains
the
message,
po
On,
a
particular
topic.
The
network
and
ravines
then
arrived
at
consensus
on
this
transaction
and
allocate
a
timestamp
to
it.
So
it
does
it
again.
B
B
Is
this
therefore,
this
message
once
he
has
it
he
has
reached?
The
consensus
will
therefore
receive
this
slaughter
will
be
done
by
renting
a
sequence
number,
it's
very
simple:
1
2,
3,
4,
5,
6,
7,
8,
9,
10,
etc,
and
then
1
hour
also
continues.
So
there
is
a
continuous
purchase
which
is
done,
which
fact
that
we
can
verify
that
the
sequence
of
messages
and
that
the
content
of
each
message
and
is
correct
in
this
sequence.
B
So
no
one
can
influence
the
messages
themselves
and
if
we
want,
if
we
want
that,
we
can
possibly
consider
that
within
a
topic,
all
these
messages
actually
represents
a
mini
china
block
with
each
transaction
being
a
block
of
a
single
transaction,
with
an
h,
dance
in
that
transaction,
which
references,
the
previous
transaction
or
message,
and
so
on.
So
actually
through
a
topic
have
created
his
mini
block,
custom
chains
and
you
can
subscribe
to
a
topic
so
as
part
of
a
deployment
with
nadja
manufactures,
the
nodes
of
the
network.
B
Send
their
transactions
to
and
rats
through,
hcs
and
the
others
do
not.
Of
the
same
network.
Subscribe
to
the
same
topic
is
in
fact
your
receive
the
same
more
transactions
in
the
buzz
more
metal
than
if
he
had
it.
He
was
directly
connected
to
the
homos
ne
who
sent
seven
this
operation.
It
is
the
transaction,
so
at
the
implementation
level
in
the
in
the
lab
in
itself
is
what
one
has
it's
something
quite
dast
traditional,
but
I
think
you'll
probably
understand
it
better
than
me.
B
The
same
order,
gold
of
errors
which,
finally,
in
all
the
hours
orders
of
the
network,
will
subscribe
to
this
common
topic
and
through
this
subscription,
will
be
notified
of
this
transaction,
which
was
sent
by
one
of
the
horrors
of
the
network
once
the
notification
was
received
if
the
transaction
had
been
fragmented.
So
that's
a
question
of
the
transaction
is
larger.
Finally,
contains
more
more
than
1
me
more
than
1000
to
hiccup.
For
example,
sorry,
we
are
obligated
gé
to
fragment
it
into
several
transactions,
so
it
is
reconstituted
in
step.
B
7
is
in
fact
like
like
it
as
all
these
transactions
arrive
in
an
ordered
sequencing.
They
are
then
delivered
in
this
order
to
the
ps,
who
can
then
communicate
with
the
application
to
indicate
that
the
transaction
has
actually
been
completed
or
completed,
so
that's
roughly
40
thousand
feet
or
thirty
thousand
feet
how
how
this
year,
maybe
the
integration
works.
Looking
at
the
functional
block
level,
so
transactions
are
sent
back
to
their
horror
which,
through
the
various
blocks.
B
The
afce
manufactures
possibly
communicates
with
the
sdk
is
already,
therefore,
the
hot
seat
of
the
language
cargo
ships,
which
is
used.
This
sdk
sends
the
messages
back
to
the
mind
is
for
the
consensus,
and
this
same
sdk
subscribes
to
a
mirror
for
receiving
consensus
feedback
and
then
sending
the
result
of
that
feedback
back
to
the
lhc
club
is
what
will
next
him?
B
So
just
two
last
little
things
and
then
after
I
have
a
video
of
one
of
the
motorcycles
fabre
car
with
with
hcs.
So
just
remember
the
strengths
of
nra
leader
in
technology
for
its
speed
security.
We
are
the
only
protocol
at
bft
which
is
really
the
ultimate
standard.
So,
with
regard
to
the
hunting
for
children's
or
lateral
and
tolerant
to
Byzantine
errors,
it
has
been
verified
and
tested
with
its
occupants,
which
is
a
French
innovation
which
makes
it
possible
to
verify
mathematical
theorems
through
a
computer
program.
B
They
did
that
surprises
a
little
the
dja
manufactures,
so
they
use
schenkel
and
its
projects
reloj
their
solutions,
but
use
the
hcs
consensus
for
to
synchronize
to
pro
manage
their
transactions
with
all
the
parents,
all
the
nodes
that
participate
in
the
work
to
their
solution.
So
it's
alps
in
scotland
is
a
a
company
of
a
lawyer.
B
He
works
with
a
lot
of
large
accounts
on
on
the
tokenization,
whether
it
is
financial
assets
or
works
of
art,
and
all
that
with
the
regulatory
context
that
is
specific
to
them
and
who
know
them
very
well,
so
they
have
been
able
to
marry
Plobsheim
technology
with
the
regulatory
aspect
of
certain
assets
once
located.
That's
it
for
the
demo,
so
I'm
thinking
of
playing
there,
so
that
it's
fac,
because
that
you
see
so
there
I
see
a
request
to
just
take
a
little
break
from
the
holidays.
B
B
Numbers
of
topics
have
greatly
increased.
We
are
in
the
east,
several
million
or
hundreds
of
millions,
but
basically
what
you
will
see
here
is
a
list
of
messages
which
will
increase,
so
we
will
go
from
76
to
the
77th
as
we
execute
transactions
through
college,
because
therefore
the
first
thing
is
to
drink
style,
because
car
6
exists.
So
we
have
found
the
car
we
are
going
to
make
a
transfer
from
car
6
to
a
new
owner,
and
that's
fine
in
fact
resulted
in
several.
B
B
We
wait
a
few
seconds
at
seventy
eight
for
another
and
on
the
left
in
f
a
because
we
should
eventually
see
that
this
transaction
will
be
finalized
or
ended.
So
we
have
now
completed
this
operation.
You
could
see
that
the
speed
with
which
it
was
done
and
lionel
is
now
the
owner
of
car
number
6.
Here
we
will
create
a
new
one.
B
And
once
again,
this
will
us
operation
on
on
manufactures
which
will
be
sent
to
hcs.
So
we
see
other
messages
here
which
will
serve
as
a
consensus
for
for
the
small
network
manufactures
that
I
have
in
this
period,
and
here
it
is,.
The
operation
is
complete
and
we
can
now
find
that
the
car
has
actually
been
created.
So
here
it
is,,
the
demo
is
ermine,
and
that
ends
my
presentation,
which
I
hope
to
have
kept
in
the
nails
in
time.
B
B
Our
kit
hub
our
discord,
how
to
create
an
account
and
this
net.
You
will
need
it
if
you
want
to
spin
some
boe
and
the
link
to
the
lab
for
here
to
try
eventually
come
back
to
you
on
disk,
come
back
to
we
lose
on
discord.
If
you
have
questions
about
the
lab
here
with
that,
I
expect
questions
it's
normal
and
thank
you
very
much
when
they
arrive
for
the
time
you
granted
me
maximum.
A
B
Kafka
last,
where
it's
something
else
announces
so
the
lettuce
peaks.
Yes,
the
name
may
give
the
impression
that
it
's
poo
from
arkham,
but
not
at
all
the
topics
probe
and
it's
an
entity
on
the
network
and
rats.
So
in
fact
we
use
the
country
of
the
network
and
rats
to
create
a
topic,
and
then
we
can
send
messages
to
this
topic
on
the
network
and
rats,
so
it
allows
it
allows
certain
messages
to
be
grouped
together.
B
So
we
say,
for
example,
that
I
am
launching
my
kart
on
my
network
to
make
then
that
igor
did
the
same
thing
on
his.
We
do
n't
necessarily
want
our
messages
to
intertwine
and
get
mixed
up,
because
we
are,
we
are
two
completely
independent
implementation,
so
igor
would
use
a
topic
he
created
for
his
for
his
his
network
and
I
will
use
a
topic
for
mine,
but
it
is,
at
the
peak,
only
exists
on
and
rats.
There
are
not
two
and
are
intimately
linked
to
services
and
rats.