Share a family wallet that needs two of three to move money
A Safe multisig requires a set number of owners to approve any transaction, so no single lost phone or bad decision drains it.
- 15 minutes
- 5 steps
- Gas to create; cheap on L2s
- medium
- 11 solutions use it
Your family does not have to cash out the whole amount at once, so they choose the day with the best rate.
Chapter 1 · The wall
The wall you hit
Joint accounts mean trusting a bank. A family vault can need two of three to agree.
Chapter 2 · The power
What changes now
A Safe multisig requires a set number of owners to approve any transaction, so no single lost phone or bad decision drains it.
Chapter 3 · Do it
Do it yourself
- 15 min
- Gas to create; cheap on L2s
- medium
Chapter 4 · Prove it
Prove it worked
The Safe address shows your owners and threshold.
Chapter 5 · Next star
Your next star
- Own · 10 min · Gas on MonadKeep a wallet that argues back before you signA two-signature vault on Monad where an AI guardian reviews every withdrawal and writes its reasoning onchain; it cannot move funds alone, and you can always act alone after 48 hours.Go to this star →
- Pay · 10 min · Free on testnet; small USDC gas on mainnetSend dollars across a border in secondsArc is Circle's chain where USDC itself pays the gas, so you only need the dollars you send.Go to this star →
Chapter 6 · Build
Build what is missing
A family allowance app on top of Safe that sends a weekly stablecoin amount to each child's wallet, with parents as the 2 of 3 owners.
Who could build it Parents who want to teach kids money with real limits.
Real problems
Solutions that use this
- A problem people bring“Sending money home costs too much”Send USDC on a low-fee network like Base or Solana to a wallet your family controls, then cash out in naira through a licensed local ramp or an esc...3 stops · see the route →
- A problem people bring“My bank froze my account”Often the fastest fix is to ask the bank in writing exactly which papers it needs, then send them promptly. Then build a backup that keeps working...3 stops · see the route →
- A problem people bring“Keep my savings worth something”You can hold part of your savings in a dollar stablecoin like USDC, in your own wallet or a family Safe that needs two of three signatures to spend...3 stops · see the route →
- A problem people bring“Fund our group with no bank account”Your group can run its own treasury today: a Safe shared by three organisers, where any spend needs two approvals, raising USDC that every donor ca...3 stops · see the route →
- A problem people bring“I'm scared of wallet drainers”You can see in plain words what any site will make you sign before you sign it: scan the request with Recon. For savings, add Second Signature as a...3 stops · see the route →
- A problem people bring“Make sure my family gets my crypto”You can build a crypto will that runs itself: put long-term savings in a Safe with trusted relatives as co-owners, for example 2 of 3, so family ca...2 stops · see the route →
- A problem people bring“Our charity's funds keep getting frozen”A group wallet lets your charity hold donations so several members approve each payment, and every gift is visible to donors. That openness can mak...3 stops · see the route →
- A problem people bring“Protect our land papers from forgery”Your family can fix a permanent, dated record of its land papers this week. Store a copy and its fingerprint, then have neighbours and elders sign...3 stops · see the route →
- A problem people bring“Borrow with no credit history”DeFi lending never asks for a credit score: on Aave you borrow against collateral you already hold, so you keep your savings and still get cash. Wi...3 stops · see the route →
- A problem people bring“Our village wants to pool for a well”Your village can hold a fund that no single person can spend, and that anyone can check on a phone. A multisig wallet needs, say, three of five eld...3 stops · see the route →
- A problem people bring“Raise $10,000 for my community”You have three real shapes. A quadratic funding round on Gitcoin or Giveth multiplies many small gifts. An escrowed raise holds pledges and refunds...3 stops · see the route →
Questions
How long does it take to share a family wallet that needs two of three to move money?
About 15 minutes, in 5 steps. The first step is: Open Safe and pick a cheap network such as Base or Arbitrum.
What does it cost?
Gas to create; cheap on L2s. Start with the free parts, and never put in more than you can afford to lose.
Do I need to be technical?
It is rated medium. A Safe multisig requires a set number of owners to approve any transaction, so no single lost phone or bad decision drains it.
How do I know it worked?
The Safe address shows your owners and threshold.
What real problems does this help with?
Sending money home costs too much. My bank froze my account. Keep my savings worth something. Fund our group with no bank account. I'm scared of wallet drainers. Make sure my family gets my crypto. Our charity's funds keep getting frozen. Protect our land papers from forgery. Borrow with no credit history. Our village wants to pool for a well. Raise $10,000 for my community.