
Fechado
Publicado
Pago na entrega
Hello I'm looking for an experienced crypto developer or blockchain expert who understands how to work with older (legacy) smart contracts, not new, easily deployable ones. The goal is to recreate or interact with older tokens, sometimes referred to as "flash contracts", to test or emulate tokens similar to USDT Flash (no LP) transferable without liquidation or liquidity pool and NFTs or tokens with embedded logos and attached hashes. Possibility of setting fixed-digit formatting (e.g., padded numeric display like 000 000 000 000 000). Example Tokens: Teller USD (USDT variant) 15-digit minimum (e.g. 000 000 000 000 000). BTCBR (BNB Chain) 24-digit minimum. Shiba Inu (BNB) 18-digit minimum. DAI (BNB). DAI (Fantom). NFT (BNB). XTM (BNB) with and without logo. 18-digit minimum. Important Notes: I already know how to generate new tokens/contracts. This project is not about deploying new ones. I am specifically looking for someone with experience working with old/legacy contracts or someone who understands how to replicate, transfer, or emulate them in a meaningful way. This includes knowledge about non-liquid tokens, tokens without LPs, and possibly how they were originally structured. If you have experience or insight in this specific area, I'd love to hear how you would approach it and what’s possible.
ID do Projeto: 40180446
6 propostas
Projeto remoto
Ativo há 12 dias
Defina seu orçamento e seu prazo
Seja pago pelo seu trabalho
Descreva sua proposta
É grátis para se inscrever e fazer ofertas em trabalhos
6 freelancers estão ofertando em média $431 USD for esse trabalho

As a senior blockchain engineer, I not only have a deep understanding of new, easily deployable smart contracts (ERC-20, BEP-20, etc.) but also I am extensively experienced in working with legacy crypto contracts such as the ones you're seeking assistance with. My proficiency covers every aspect you mentioned: interacting with older tokens ("flash contracts"), emulating non-liquid or non-LP tokens, creating NFTs with attached hashes, and integrating logos.
$500 USD em 5 dias
5,4
5,4

As a well-versed web and mobile developer with a strong background in working with various frameworks including Ethereum, I'm confident I can be the person you're looking for to tackle your unique crypto challenge. My 9+ years of industry experience have exposed me to a wide range of projects and platforms, giving me an intimate understanding of different contract protocols and coding styles - old and new. More specifically, my expertise in legacy-adjacent tasks sets me apart from your standard blockchain developers. I've encountered a fair share of scenarios similar to yours where interacting with older tokens is required; it's one of the areas where my skills truly shine. This involves not just the mechanical task of replicating or transferring tokens but rather dissecting the original structure and carefully emulating its precise functionality. In addition, my knowledge extends to dealing with non-liquid tokens, those without liquidity pools - a crucial aspect of your requirement. I deeply understand that this project is about more than just deploying new tokens; it's about appreciating and reconnecting with the past while staying technologically stacked for the future. Game? Let's bring those legacy contracts back to life according to your requirements! Looking forward to hearing more about your project.
$140 USD em 7 dias
4,5
4,5

Hi there, Your project sounds truly intriguing! I have strong experience interacting with older/legacy smart contracts and emulating unique token features like fixed-digit formatting and logo/hash embedding. I’m confident I can help you recreate or interact with these legacy tokens and adapt their original behaviors—no deployment of new contracts needed. Let’s discuss how I can achieve your goals and ensure every detail matches the original standards you’re seeking. Looking forward to hearing your ideas!
$140 USD em 1 dia
0,0
0,0

Uppsala, Sweden
Método de pagamento verificado
Membro desde jan. 26, 2026
€50000-100000 EUR
€20000-50000 EUR
€250-750 EUR
€750-1500 EUR
$30-250 USD
$30-250 AUD
₹1500-12500 INR
$25-50 USD / hora
$2-20 USD / hora
₹1500-12500 INR
$25-50 USD / hora
$750-1500 USD
$750-1500 USD
$2-8 USD / hora
mín. $100000 USD
€50000-100000 EUR
₹12500-37500 INR
₹12500-37500 INR
$30-250 USD
$1500-3000 USD