so I'm Connor Spencer mrs. viola kirilov
we I'm the founder of a company called
blk dot IO and we also maintain and
created web 3j the Java library for
integrating with aetherium clients so
web 3j was initially launched just
before DEFCON 2 so it's been around for
a couple of years now it provides
started offers just being that into an
implementation of the JSON RPC API but
then when we started thinking in terms
of smart contracts and you know taking
below the surface of it we added in
things like the you know the transaction
signing capabilities and then bindings
creation of bindings in Java so that you
can base city once you've got your smart
contract ready and you can do everything
else within the actual JVM it works as
well nicely with truffle - so who uses
contract ABI metadata files whether
they're come out of solidity or truffle
we can use that to generate the smart
contract bindings it's a reactive
functional API which basically means
it's easy to compose streams as per our
xjv to operate on events that are taking
place on the blockchain as they happen
and it's provides full TNS support as
well which was added last year although
now pass over to a viola who's gonna
have to say a couple of things yes the
word 3G ecosystems it's got many
components with it the core web three.js
run in Java so it's compatible with
Colleen's scholar and Android as well
we've got build tools maven and Gradle
so you can generate your small contract
wrappers within your hope within your
build pipeline we support the quorum
client parity and get clients as well
and the recently announced Pantheon
client from consensus man we've got some
framework integrations with spring tees
you create RESTful API is an apache
camel for your enterprise applications
and yeah we released works Vijay 4.0
really excited about some of the main
things that we've updated is now we're
using rx Java to
the flowable API we have hedged you
Wallace support bit that good 32 and BIP
44 standards were implemented and
another main thing is we go snapshot
releases are now available to can stay
more current with what we're doing we're
gonna keep this brief it's a lightning
talk and yeah just to give you a few
metrics as well about the library so
we've had 75 different contributors now
who've actually contributed to it it
gets over 20,000 downloads a month as
well so you know all-in if you can all
the different components it's over a
hundred thousand downloads but the
actual core library itself so there's a
very significant user base globally for
it
and projects about over 2000 github
stars a few months ago as well we
received funding from the etherion
Community Fund which we're very grateful
for because this has enabled us to
actually have someone working on the
library full-time we really want to
continue supporting the the JVM
ecosystem for working with the theorem
and just improve on it so you know our
plan is very much so to grow the actual
team and the the amount of work that
we're doing here
we're also to the the get coin well get
coin of being group great too in terms
of offering a spawn C's to and will
continue to for smaller issues as well
so that's you know we can and well just
get more people involved in also
continue just to maintain and just you
know make it even easier for a wider
number of people to work with the
library as well we wanted to say comes
if you don't have a check I'm say I've
got stickers and you know all the usual
swag things as well if them yeah you
want any face thank you
you