⚡Rey C🔎🗞️📊
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blocknumberzero.bsky.social
⚡Rey C🔎🗞️📊
@blocknumberzero.bsky.social
🧑‍💻Web3 Researcher and Analyst | Worked with dYdX, Bitfinex, and other top brands in blockchain marketing their products |⚡Now I share crypto insights from an educational perspective to help you make better decisions.
🤔𝗔𝗿𝗲𝗻'𝘁 𝗠𝗘𝗩 𝗕𝗼𝘁𝘀 𝗗𝗮𝗺𝗮𝗴𝗶𝗻𝗴 𝗗𝗲𝗙𝗶? - 𝗦𝗮𝗻𝗱𝘄𝗶𝗰𝗵 𝗔𝘁𝘁𝗮𝗰𝗸 𝗦𝗶𝗺𝘂𝗹𝗮𝘁𝗼𝗿

Weeks ago, I saw how bots were extracting hundreds of thousands of dollars from a single transaction.

This made me think we need to understand how Sandwich Attacks work.

If you want to test it👇

blocknumberzero.github.io/Sandwich_Att...
May 10, 2025 at 9:04 AM
🥪𝗧𝗛𝗜𝗦 𝗜𝗦 𝗛𝗢𝗪 𝗔 𝗦𝗔𝗡𝗗𝗪𝗜𝗖𝗛 𝗔𝗧𝗧𝗔𝗖𝗞 𝗛𝗔𝗣𝗣𝗘𝗡

Yesterday I posted a 2-min. note on Substack which will help you understand:

🔹Characteristics
🔹The process
🔹Participants
🔹How to protect yourself

Make sure you won't lose $215k as it happened to a user on the Ethereum network.👇📸

My Substack👇🔗
t.co/mVJWJ2sWD4
March 19, 2025 at 9:21 AM
🚨𝗧𝗵𝗶𝘀 𝗖𝗿𝘆𝗽𝘁𝗼 𝗝𝗼𝗯 𝗜𝘀 𝗔 𝗦𝗰𝗮𝗺!!🚨

While job searching in the crypto space be careful with scammers. They are using multiple strategies to trick you.

This week, I have experienced two types of scams.

They share a link for you to try a video call.

Check the details on Substack👇.

t.co/DTo1P43GAZ
February 27, 2025 at 9:02 PM
🚨𝗗𝗼 𝗡𝗢𝗧 𝗙𝗮𝗹𝗹 𝗙𝗼𝗿 𝗧𝗵𝗶𝘀 𝗖𝗿𝘆𝗽𝘁𝗼 𝗝𝗼𝗯 𝗦𝗰𝗮𝗺🚨

Today, Cryptojobslist removed several job offers from their platform.

A supposed project under the name Chainseeker has tried to scam multiple applicants using social media credibility (verified membership on LinkedIn).

Please, do NOT click their links.
February 24, 2025 at 8:32 PM
🚨𝗗𝗼 𝗡𝗢𝗧 𝗙𝗮𝗹𝗹 𝗙𝗼𝗿 𝗧𝗵𝗶𝘀 𝗖𝗿𝘆𝗽𝘁𝗼 𝗝𝗼𝗯 𝗦𝗰𝗮𝗺🚨

Some hours ago, Cryptojoblist removed multiple job offers from Chainseeker.

The scammers even tricked LinkedIn and posted some announcements there through their CEO.

Never click a link they send to you and if you do immediately reboot your PC.
February 24, 2025 at 8:20 PM
⚠️𝗙𝗼𝗿 𝗧𝗵𝗼𝘀𝗲 𝗜𝗻𝘁𝗲𝗿𝗲𝘀𝘁𝗲𝗱⚠️

I will now be posting daily content on 𝗦𝘂𝗯𝘀𝘁𝗮𝗰𝗸.

While I will remain active on BlueSky, I will primarily use it to share links to relevant🟧𝗦𝘂𝗯𝘀𝘁𝗮𝗰𝗸 posts.

Follow/ sub me at: substack.com/@blocknumber...

See you on the other side.
February 20, 2025 at 9:44 PM
𝗔 𝗖𝗵𝗶𝗻𝗲𝘀𝗲 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗲𝗿 𝗕𝘂𝗿𝗻𝘀 500 𝗘𝗧𝗛 𝗧𝗼 𝗔𝗻𝗻𝗼𝘂𝗻𝗰𝗲 🧠𝗕𝗿𝗮𝗶𝗻 𝗖𝗼𝗻𝘁𝗿𝗼𝗹

He pointed out that Kuande Investments, the company where he worked was persecuting all company's former and current employees.

If you want to know more follow the story on Substack👇
t.co/InEOM842EB
February 18, 2025 at 8:08 PM
𝗙𝗶𝗮𝘁 𝗖𝘂𝗿𝗿𝗲𝗻𝗰𝗶𝗲𝘀 𝗚𝗿𝗮𝘃𝗶𝘁𝘆 𝗟𝗮𝘄📉

The Brazilian Real and Mexican Peso are more than 10% down annually.

There is a new shift this year and things are changing fast since there are high geopolitical tensions. This makes international currencies volatile.

Follow it on Substack👇
t.co/fzw5hBscJR
February 17, 2025 at 11:13 PM
𝗧𝗵𝗶𝘀 𝗜𝘀 𝗧𝗵𝗲 𝗪𝗲𝗲𝗸𝗲𝗻𝗱, 𝗗𝗼𝗻'𝘁 𝗖𝗵𝗲𝗰𝗸 𝗣𝗿𝗶𝗰𝗲𝘀

If you have been stressed because you've seen Bitcoin's price going down without recovering immediately, you should rest.

Crypto can be stressful if you don't use your weekend wisely.

I wish you a good weekend, people!
February 14, 2025 at 10:29 PM
𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝗠𝗶𝗻𝗶𝗻𝗴 𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵🔎𝗙𝗶𝗻𝗱𝗶𝗻𝗴𝘀

Today, while searching for some info for my first article on Medium I found some interesting information about Bitcoin mining that I didn't know.

I have just posted a short note about it on Substack👇
t.co/8fHH8OGO4L
February 13, 2025 at 11:02 PM
🤔𝗔𝗿𝗲 𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝗔𝗻𝗱 𝗘𝗧𝗙 𝗠𝗮𝗿𝗸𝗲𝘁𝘀 𝗦𝘁𝗿𝗼𝗻𝗴𝗹𝘆 𝗖𝗼𝗿𝗿𝗲𝗹𝗮𝘁𝗲𝗱 𝗧𝗼 𝗦𝗲𝘁 𝗨𝗽 𝗕𝗮𝗿𝗼𝗺𝗲𝘁𝗲𝗿𝘀?

I analyzed one of Ecoinometrics charts which points to a correlation between ETF behavior and Bitcoin market trend that I consider is❌wrong.

Follow the analysis on Substack.👇
t.co/OIYRitOp7b
February 12, 2025 at 1:59 PM
𝗜𝘀 𝗧𝗵𝗶𝘀 𝗔 𝗛𝗮𝗽𝗽𝘆 𝗘𝗻𝗱𝗶𝗻𝗴?🤔

This is certainly one of the most polemic cases in crypto.

Ross Ulbricht's Story sets a reflection on transparency and government corruption.

Follow Ross's story and a reflection I did about the topic on my Substack...
t.co/pkUHloYjPW
February 10, 2025 at 11:55 AM
🤔𝗪𝗵𝗮𝘁 𝗜𝗳 𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝗟𝗼𝘀𝗲𝘀 𝗜𝘁𝘀 𝗣𝗼𝘄𝗲𝗿 𝗧𝗼 𝗧𝗵𝗲 𝗙𝗲𝘄?

It has been more than 15 years since the Bitcoin network creation by Satoshi Nakamoto but we are still questioning how decentralized it is.

Mining activity, investors & the dev community have changed.

Continue this story on Substack...

t.co/sOzo4u7kV2
February 7, 2025 at 4:38 PM
🏝️𝗧𝗼𝗽 𝗖𝗿𝘆𝗽𝘁𝗼 𝗧𝗮𝘅 𝗛𝗮𝘃𝗲𝗻𝘀 𝘁𝗼 𝗖𝗼𝗻𝘀𝗶𝗱𝗲𝗿 𝗶𝗻 2025🚀

🧵1/2
Looking for a crypto-friendly country with 0% tax & easy visas?

✔️UAE – No income or capital gains tax on crypto.
✔️El Salvador – Bitcoin is legal tender here⚡. No tax on crypto transactions & BTC investments can get you residency.

More countries🧵👇
February 5, 2025 at 1:16 PM
𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝗥𝗲𝗮𝗰𝗵𝗲𝘀 𝗡𝗲𝘄 𝗛𝗶𝗴𝗵𝘀 𝗔𝗺𝗶𝗱 𝗠𝗮𝗿𝗸𝗲𝘁 𝗙𝗹𝘂𝗰𝘁𝘂𝗮𝘁𝗶𝗼𝗻𝘀

The cryptocurrency market is witnessing notable activity as Bitcoin climbs above $100,000, recovering from earlier declines.

Investors are advised to stay informed about potential market shifts.
February 4, 2025 at 7:51 PM
𝗟𝗮𝗴𝗮𝗿𝗱𝗲 𝗥𝗲𝗷𝗲𝗰𝘁𝘀 𝗖𝘇𝗲𝗰𝗵 𝗖𝗲𝗻𝘁𝗿𝗮𝗹 𝗕𝗮𝗻𝗸'𝘀 𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝗥𝗲𝘀𝗲𝗿𝘃𝗲 𝗣𝗿𝗼𝗽𝗼𝘀𝗮𝗹

🤡She dismissed a proposal from the Czech🏦central bank to incorporate #BTC into reserves.

She highlighted the need for reserves to be "liquid, secure, and safe," pointing to BTC's volatility and concentrated ownership as🔑key concerns.
January 31, 2025 at 11:29 AM
𝗨𝗞'𝘀 £5.2 𝗕𝗶𝗹𝗹𝗶𝗼𝗻 𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝗦𝗲𝗶𝘇𝘂𝗿𝗲 𝗠𝗮𝘆 𝗔𝗶𝗱 𝗣𝘂𝗯𝗹𝗶𝗰 𝗙𝗶𝗻𝗮𝗻𝗰𝗲𝘀

In a bid to mitigate a £22B budget shortfall, the UK government is considering selling £5.2B in #Bitcoin seized from criminal activities.

This decision highlights the growing intersection of cryptocurrency and national fiscal👮policies.
January 30, 2025 at 10:39 PM
𝗕𝗶𝗻𝗮𝗻𝗰𝗲 𝗨𝗻𝗱𝗲𝗿 𝗜𝗻𝘃𝗲𝘀𝘁𝗶𝗴𝗮𝘁𝗶𝗼𝗻 𝗶𝗻 𝗙𝗿𝗮𝗻𝗰𝗲 𝗳𝗼𝗿 𝗠𝗼𝗻𝗲𝘆 𝗟𝗮𝘂𝗻𝗱𝗲𝗿𝗶𝗻𝗴

French authorities are investigating Binance for alleged money laundering and tax fraud between 2019 and 2024, covering activities in France and the EU.

This is not the first nor the last time they will undergo this situation.
January 29, 2025 at 7:14 PM
𝗡𝗲𝘄 𝗠𝗲𝗺𝗲𝗰𝗼𝗶𝗻 𝗘𝗧𝗙𝘀 𝗥𝗮𝗶𝘀𝗲 𝗦𝗽𝗲𝗰𝘂𝗹𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝗻𝗰𝗲𝗿𝗻𝘀

U.S. asset managers are planning to introduce ETFs centered on #memecoins linked to prominent figures like President Trump and Elon Musk.

This move has sparked debates about potential "casino-type" speculation in the #crypto market which can be risky.
January 28, 2025 at 12:39 PM
𝗨𝗞 𝗘𝘆𝗲𝘀 𝗦𝗲𝗶𝘇𝗲𝗱 𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝘁𝗼 𝗠𝗶𝘁𝗶𝗴𝗮𝘁𝗲 𝗕𝘂𝗱𝗴𝗲𝘁 𝗗𝗲𝗳𝗶𝗰𝗶𝘁

In a bid to reduce a £22 billion budget deficit, the UK government is considering selling £5 billion worth of #Bitcoin seized from criminal enterprises.

This approach highlights the growing intersection of #cryptocurrency and public finance.
January 27, 2025 at 10:57 AM
𝗦𝗘𝗖 𝗖𝗹𝗲𝗮𝗿𝘀 𝗣𝗮𝘁𝗵 𝗳𝗼𝗿🏦𝗕𝗮𝗻𝗸𝘀 𝘁𝗼 𝗛𝗼𝗹𝗱 𝗖𝗿𝘆𝗽𝘁𝗼

🚨 The SEC’s new rule allows banks to treat crypto as assets, enabling them to offer custody services without facing penalties.

Big institutions like Schwab are🚀gearing up!
January 24, 2025 at 10:08 PM
𝗘𝗨 𝗣𝗿𝗼𝗯𝗲𝘀 𝗦𝘁𝗮𝗯𝗹𝗲𝗰𝗼𝗶𝗻 𝗜𝗻𝘃𝗲𝘀𝘁𝗼𝗿 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻𝘀

🛡️ The EU Commission is assessing how existing regulations protect stablecoin investors, focusing on redemption rights and issuer obligations.

This move seeks to enhance the security framework for digital asset holders.
January 23, 2025 at 8:53 PM
𝗦𝗘𝗖🚀𝗟𝗮𝘂𝗻𝗰𝗵𝗲𝘀 𝗖𝗿𝘆𝗽𝘁𝗼 𝗧𝗮𝘀𝗸 𝗙𝗼𝗿𝗰𝗲 𝗳𝗼𝗿 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗔𝘀𝘀𝗲𝘁 𝗥𝗲𝗴𝘂𝗹𝗮𝘁𝗶𝗼𝗻

🔍The SEC has formed a #crypto task force, headed by Commissioner Hester Peirce, to craft a regulatory framework for digital assets, signaling a shift towards clearer guidelines in the crypto industry.

Is this the right path?
January 22, 2025 at 2:29 PM
$𝗧𝗥𝗨𝗠𝗣 𝗖𝗼𝗶𝗻 𝗗𝗲𝗯𝘂𝘁𝘀, 𝗥𝗲𝗮𝗰𝗵𝗲𝘀 $74.59

📈On his first day in office, President Donald Trump launched the $TRUMP cryptocurrency, which surged to $74.59.

This initiative aims to foster a crypto-friendly environment in the U.S.

Will the U.S. become a leader in the crypto space or a scammer's hub?
January 21, 2025 at 2:41 PM
𝗧𝗿𝘂𝗺𝗽'𝘀 𝗖𝗿𝘆𝗽𝘁𝗼 𝗜𝗻𝗶𝘁𝗶𝗮𝘁𝗶𝘃𝗲𝘀 𝗣𝗿𝗼𝗽𝗲𝗹 𝗕𝗶𝘁𝗰𝗼𝗶𝗻 𝘁𝗼 𝗡𝗲𝘄 𝗛𝗲𝗶𝗴𝗵𝘁𝘀📈

📈President-elect Donald Trump's plans to promote digital assets have driven Bitcoin's price beyond $109,000.

His proposals include appointing a "crypto czar" and integrating BTC into the U.S. strategic reserve.

The time of truth has come.🚀
January 20, 2025 at 11:40 AM