Hello Tarkan,

i am a Solidity smart contract developer with experience in development of Erc20 tokens with different functionalities (burning, locking, vesting....). You can contact me to discuss functionalities and price  on telegram/skype.

My contacts:

skype:  bergamaschi400/ bergamaschi400@gmail.com

telegram: Alessandro_Bergamaschi

Alessandro Bergmaschi

I am a Smart contract developer. You can add me on Telegram to discuss. My id is: Alessandro_Bergamaschi

I am a Smart contract developer. You can add me on Telelgram to discuss. My Telegram id is: Alessandro_Bergamaschi

I am a Smart contract developer. You can add me on Telegram: Alessandro_Bergamaschi

You can contact me on Telegram: @Alessandro_Bergamaschi

Hello,

i am a Solidity smart contracts developer. I create smart contracts using remix-ide and i execute unit and integration tests using Truffle (javascript Mocha library). I also deal with smart contracts audit and code review using MythX tool and a static analysis linked to CVE Etheereum database.
Moreover, i implement Web3.js solutions like daemon scripts and dapp front-ends (using React.js with Redux and Drizzle libraries).
I have a deep knowledge of blockchain sector including  cryptography and consensus of main blockchains, mining and crypto trading.
This is my github link: https://github.com/Aleione
I am motivated, accurated and reliable.

If you want contact me, these are my contacts:
mail: bergamaschi400@gmail.com
telegram: @Alessandro_Bergamaschi
bitcointalk: this post or private message

Best regards,
Alessandro Bergamaschi

Buongiorno,

sono uno sviluppatore di Solidity smart contracts. Creo smart contracts utilizzando remix-ide ed eseguo unit and integration tests con Truffle (libreria javascript Mocha). Mi occupo anche della fase di audit e revisione utilizzando il tool MythX e un’analisi statica collegata al Database delle possibili vulnerabilità di Ethereum.
Inoltre, implemento soluzioni architetturali utilizzando la libreria Web3.js come daemon scripts e dapp front end (utilizzando react.js con le librerie Redux e Drizzle).
Ho una vasta conoscenza del settore blockchain che include crittografia e meccanismi di consensus delle principali blockchain pubbliche e private, mining and crypto trading.
Github link https://github.com/Aleione:
Sono motivato, preciso ed affidabile.

Se avete bisogno, questi sono i miei contatti:
mail: bergamaschi400@gmail.com
telegram: @Alessandro_Bergamaschi
bitcointalk: questo post o in privato

Saluti,
Alessandro Bergamaschi

i am a developer.
mail: bergamaschi400@gmail.com
skype: bergamaschi400@gmail.com/Alessandro Bergamaschi
telegram: Alessandro_Bergamaschi

Best regards,
Alessandro Bergamaschi

I am a solidity and dapps developer and a blockchain expert.
My skills are: Solidity, Ethereum,Truffle, Web3.js, Javascript, Mocha, React.js, Blockchain, SQL.
You can contact me on my mail: bergamaschi400@gmail.com
Skype: bergamaschi400@gmail.com / Alessandro Bergamaschi
Telegram: Alessandro_Bergamaschi

Best regards,
Alessandro Bergamaschi

Hi,

i am a Solidity smart-contract developer and dapp developer.
You can contact on my mail: bergamaschi400@gmail.com
or skype: bergamaschi400@gmail.com / Alessandro Bergamsachi
or in private on bitcointalk

Best regards,
Alessandro Bergamaschi

Ciao,

sono uno sviluppatore di smart contracts a dapp.
Puoi contattarmi sulla mia mail: bergamaschi400@gmail.com
o skype: bergamaschi400@gmail.com oppure Alessandro Bergamaschi
o in privato su bitcointalk.

According to Buterin blog post, formula for validation of proof of stake is:

SHA256(prevhash + address + timestamp) <= 2^256 * balance / diff

where:
balance= my balance on address
diff=network difficulty
address: my address that i use for stake
timestamp: timesatmp of the block
prevhash: hash of the previous block of the chain

Suppose I resolve stack for Nth block, I can brute force a field (address output with 0 coin transfer) in a transaction that I inserted in order to generate an hash block that validates the formula for the (N+1)th  block. For example, if i have 1% of total coin amount and i resolve a block , i should try in mean100 attempts of the resolved block to validate the formula for the next block, in this way a staker can advantage and resolve also next proof of stakes blocks.
There should be a system that after resolving a block, randomize the pre image of sha256 for the next block to avoid this problem.
I would like to know what solutions have been used to solve this problem.

Thanks

I have solved problem, i didn't change flag with ERC20 end i used ETH instead of ERC20 name

Thanks

hi,

i am trying to transfer ERC20 offline, i generate signed transactions but mew tells me    Required 1350000000000000 and got: 0. . But i have 0.004713754694017 Ether to cover gwei price gas*gas limit. Any ideas about that problem?

Thanks

Hi,

i have read your book list. What is the best book to understand and analyse bitcoin source code from a programming point of view, in your opinion? i think that A dissection of bitcoin is a good book. i have only short version with the first four chapters. Link to buy entire version doesn't work. i have written a post on the forum but nobody know where i can buy the whole version. Do you have the whole version within your books?
My mail address is bergamaschi400@gmail.com.

thanks

That pdf contains only first four chapters. It's short verison. The others chapters are not in this pdf (at the bottom of the book there is link to buy whole version, but it doesn't work).

Ok.

Thanks a lot

That link contains book but only the first four chapters.
At the bottom of the page there is "The whole book has 10 chapters. This version you are about to purchase contains the first 4 chapters".
I would like complete version, but i can't find any valid source to buy it.

Hi,

i have free ebook amazon "A Dissection of Bitcoin" by Paul Huang. It contains only first four chapters, i would like to buy full book version, but the link  to buy it https://ebook.ubiqlink.com/ has not been working for months. Book contains analysis of bitcoin source code on github.
how can i buy this book?