tutorials

privacy on solana, explained like youre not a cryptographer

why your wallet is basically a glass house and what you can do about it. no jargon, just real talk.

3 min read

ok so heres the thing about solana (and basically every blockchain)

every single transaction you make is public. like, completely public. anyone with internet can see:

  • your wallet balance
  • every payment youve ever received
  • every payment youve ever sent
  • who sent you money
  • who you sent money to

its like if your bank account was on a billboard. except the billboard is permanent and searchable.

why should you care

“i have nothing to hide” - yeah i hear this a lot. but think about it:

your employer pays you in usdc. now your employer knows your wallet. your landlord, who you pay rent to, can look up your wallet and see your salary. the coffee shop you buy from every morning? they can see both.

its not about hiding illegal stuff. its about not having your entire financial life exposed to literally everyone.

real examples that happened

  • guy got kidnapped in hong kong because attackers saw his wallet balance on chain
  • companies cant use crypto for payroll because employees would see each others salaries
  • traders get frontrun constantly because bots can see their pending transactions

this isnt theoretical. this is happening right now.

the surveillance thing

theres companies (chainalysis, arkham, etc) that literally just watch blockchains and build profiles on people. they connect your wallet to your identity through exchange deposits, ens names, nft purchases, whatever.

once they link your wallet to you, they can see everything youve ever done. forever. because blockchain is immutable.

its actually worse than traditional banking in some ways. at least your bank doesnt broadcast your transactions to the entire world.

so what can we do

this is where privacy tech comes in. basic idea:

  1. hide amounts - instead of showing “sent 100 USDC”, show “sent [encrypted amount]”
  2. hide recipients - instead of sending to the same address, generate new addresses for each payment
  3. selective disclosure - let YOU choose who can see your transactions (like your accountant for taxes)

the third one is important. privacy doesnt mean “hide everything from everyone forever”. it means “control who sees what”.

the compliance question

“but wont this help criminals?”

honestly, cash is way better for crime. crypto with privacy features still has:

  • audit trails when needed
  • ability to prove source of funds
  • viewing keys for regulators

the difference is YOU control the disclosure, not some random person on the internet.

traditional finance already works this way. your bank transactions are private by default. regulators can subpoena if needed. random people cant just look up your account.

we’re just bringing blockchain to the same standard.

tldr

  • every solana transaction is public (this is bad for normal people)
  • surveillance companies are building profiles on everyone
  • privacy tech lets you control who sees your transactions
  • this isnt about hiding crime, its about basic financial privacy
  • compliant privacy is possible (viewing keys, audit proofs)

if you want to try it, check out our privacy score tool to see how exposed your wallet already is. might be eye opening.


written by a dev who got mass surveilled and didnt like it. for the deeper technical stuff, see our full privacy guide.