Drac.

Web 3 guy | I love building cool and functional software prods.

[Drac. @drac_cryptszn]

GM CT, Happy Sunday!

Cooked up something overnight for @therebelkins. loved their art style, so I cooked up a design exploration for their hero section. Might make a full website design and write the code if they like it.

We love building cool stuff over here.

@Morph_VGart

[The RebelKin @therebelkins]

Are you rebel?

[Drac. @drac_cryptszn]

Real.

[𝗞𝗲𝗻™ @0x__Kenny]

once you say you're a web3 or blockchain dev, the rest of tech twitter just abandons you😞

[Drac. @drac_cryptszn]

@CharlesBenzm5d Already.

[Drac. @drac_cryptszn]

@MemesDingocoin Need a web app? HMU.

[Drac. @drac_cryptszn]

@therebelkins @RobinosNFT @RobinosNFT
Here's my tg likng to chat directly: https://t.co/D7RVkMlEID

[NoteS. @NoteSphere]

It’s the weekend, Creatives show us what you created this week! 🙋🏾‍♂️💜

[Drac. @drac_cryptszn]

@therebelkins @RobinosNFT @RobinosNFT still want me to make a full build?

Was blocked by CM for no reason.

[𝗞𝗲𝗻™ @0x__Kenny]

2. how Spenda really works

Spenda converts crypto (eg. SOL) to naira.

not memecoins. not NFTs.

so to mint with Spenda, they'd need to connect it to OpenSea.

but Spenda doesn't support that.

and they most likely won't give you your keys.

[𝗞𝗲𝗻™ @0x__Kenny]

1. custodial vs non-custodial wallets

the difference is simple:

with custodial wallets, your private keys are held by the platform.

with non-custodial wallets, you control your private keys.

which brings us to the question:

“why can't they get their NFTs?”

👇

[𝗞𝗲𝗻™ @0x__Kenny]

i know you might be wondering,

"isn't Spenda also a wallet?"

and the truth is? you're RIGHT!

but... there are two types of crypto wallets:

custodial and non-custodial(self-custody) wallets

and knowing the difference will save you from a lot of trouble!

let me explain👇

[Drac. @drac_cryptszn]

Might make an NFT design exploration from this lineup.

"The burti boiz".

Weekend project acquired.

[NoteS. @NoteSphere]

True.

[Drac. @drac_cryptszn]

@tessonchain @akadotfun Probably something.

[Drac. @drac_cryptszn]

@0xLuxi Nbl.

[Lunex @Lunexcrypt]

📚 NEXT CLASS — DAY 025

🌉 Cross-Chain Messaging: When Bridges Move More Than Tokens

So far, we’ve mostly talked about bridges as a way to move assets between blockchains.

But here’s the interesting part:

Bridges can also move messages and instructions. 👀

And this is where cross-chain applications become much more powerful.

🧠 What is cross-chain messaging?

Imagine you have:

Chain A → Chain B

Instead of simply saying:

“Send my tokens over.”

Chain A can send a message to Chain B saying:

“This happened on my chain. Now do this on yours.”

That message could trigger an action on the destination blockchain.

For example:

User deposits something on Chain A

⬇️

Bridge verifies the event

⬇️

Message travels to Chain B

⬇️

Smart contract on Chain B executes an instruction

That’s cross-chain messaging.

📦 It’s not just about moving coins

Let’s say Lunex has an NFT on one blockchain.

He wants an application on another blockchain to know that he owns it.

Instead of physically moving the NFT, a cross-chain message could communicate:

“Wallet X owns NFT Y on Chain A.”

The application on Chain B can then use that information to perform some action.

Another example:

A user interacts with a protocol on Chain A.

A message reaches Chain B and tells a smart contract to execute a specific function.

So the bridge becomes more like a communication layer between blockchains.

🔄 Token Transfer vs Message Transfer

Here’s the difference:

🪙 Token bridging

Asset → Bridge → Destination

The goal is to make value available on another chain.

📨 Message bridging

Event/Instruction → Verification → Destination contract

The goal is to communicate information or trigger an action.

And sometimes these happen together.

A bridge might transfer an asset while simultaneously sending a message telling the destination application what to do with it.

🤔 Why does this matter?

Think about Web3 today.

Different blockchains have different:

Users
Liquidity
Applications
Smart contracts
Ecosystems

Cross-chain messaging allows those ecosystems to interact without everything having to exist on one blockchain.

For example:

Chain A: User action
⬇️
Message: “User completed X.”
⬇️
Chain B: Smart contract responds
⬇️
Result: New action happens

This opens the door to more interconnected applications.

🚨 But there’s still a BIG problem

Remember Day 23?

Security.

If Chain B blindly trusts a message saying:

“Lunex deposited 100 ETH.”

when Lunex actually deposited nothing…

Chain B could execute a completely false instruction.

That’s why the most important question becomes:

How does Chain B know that the message from Chain A is legitimate?

This brings us back to:

🔐 Validators
🔐 Relayers
🔐 Smart contracts
🔐 Cryptographic proofs
🔐 Verification mechanisms

The communication itself isn’t necessarily the hardest part.

Proving that the communication is authentic is.

🧩 A Simple Example

Imagine Lunex uses a cross-chain application.

On Chain A:

Lunex deposits 1 ETH.

The application records the event.

The bridge:

Verifies the event and creates a message.

“Lunex deposited 1 ETH.”

On Chain B:

A smart contract receives the verified message.

It then executes its programmed action.

Deposit confirmed → Action executed.

Nobody physically carried the message between chains.

The networks use a verification mechanism to establish that the message should be trusted.

🧠 DAY 025 TAKEAWAY

Yesterday we learned:

Before using a bridge, understand what you’re trusting.

Today, take it one step further:

When a bridge sends a message, understand who is proving that the message is true.

Cross-chain messaging can turn bridges from simple asset highways into communication layers connecting entire blockchain ecosystems.

But greater connectivity also means that a failure in the communication or verification layer can have serious consequence

[Drac. @drac_cryptszn]

@Lunexcrypt Thanks bro!❤️

[Drac. @drac_cryptszn]

@superdapp GM SuperEarn, Top of the morning to you!🍳

[Drac. @drac_cryptszn]

GM CT!

It's weekend, run 10k today.

[The RebelKin @therebelkins]

back home from NYC. Made a quick video :)

[Drac. @drac_cryptszn]

We're getting somewhere!

Drop a follow if you see this post, I follow back!❤️

[Drac. @drac_cryptszn]

Anything but this L streak fr.