As soon as you’ve made a transfer on $XRP , your public key is permanently on the ledger
On November 4, the XRP Ledger Foundation updated its 2027 protocol roadmap, adding a Quantum amendment.
The plan: add a quantum-resistant signing key to each account, then disable the old master key. The algorithm is ML-DSA-44, a standard approved by NIST in 2024.
Addresses, balances, and fees stay the same.
Why does this matter? In plain English:
You currently sign transactions using elliptic curves, with public and private keys as a pair. In theory, a powerful enough quantum computer could derive your private key from your public key.
And on XRPL, every transfer puts your public key on the ledger.
So the public keys of every wallet that’s ever made a transaction—including all exchange wallets—have already been exposed.
The ones that are truly “clean” are the cold wallets that have never been used.
But the most painful part of the plan isn’t cryptography—it’s migration.
The new key and signature together are 3,732 bytes. Each transaction will be 3.6 KB larger, with no change to fees. Node operators will have to bear the extra storage costs themselves.
The audit budget is $215,000 to $255,000, within a $5 million roadmap.
Timeline: research migration in the first half of 2027; development and audits from the end of 2027 through 2028; target full transition in 2028.
I have three takeaways:
First, this is preparation, not firefighting. Quantum computers can’t crack your wallet now, and probably won’t be able to in 2027 either.
Second, the real sticking point is “disabling the old key.” The draft says holders have to disable the old master key themselves, but most people won’t know how. Any old keys left active remain a vulnerability.
Third, the market hasn’t bought into this. XRP was still falling the day the news came out, and is now just above $1. A technical roadmap is a narrative, not cash flow.
When you see “quantum-resistant” news about any blockchain, ask three questions:
What algorithm does it use, and is it a NIST standard?
What’s the cost? How many extra bytes per transaction, and who pays?
How will the old keys be retired? Is there an enforcement mechanism?
The third question is the most important—and the one people bring up the least.
When was the last time you used your XRP wallet?
If you’ve used it, your public key is already on the ledger. Would you change your keys now?
#XRP账本2027路线图提议抗量子签名
On November 4, the XRP Ledger Foundation updated its 2027 protocol roadmap, adding a Quantum amendment.
The plan: add a quantum-resistant signing key to each account, then disable the old master key. The algorithm is ML-DSA-44, a standard approved by NIST in 2024.
Addresses, balances, and fees stay the same.
Why does this matter? In plain English:
You currently sign transactions using elliptic curves, with public and private keys as a pair. In theory, a powerful enough quantum computer could derive your private key from your public key.
And on XRPL, every transfer puts your public key on the ledger.
So the public keys of every wallet that’s ever made a transaction—including all exchange wallets—have already been exposed.
The ones that are truly “clean” are the cold wallets that have never been used.
But the most painful part of the plan isn’t cryptography—it’s migration.
The new key and signature together are 3,732 bytes. Each transaction will be 3.6 KB larger, with no change to fees. Node operators will have to bear the extra storage costs themselves.
The audit budget is $215,000 to $255,000, within a $5 million roadmap.
Timeline: research migration in the first half of 2027; development and audits from the end of 2027 through 2028; target full transition in 2028.
I have three takeaways:
First, this is preparation, not firefighting. Quantum computers can’t crack your wallet now, and probably won’t be able to in 2027 either.
Second, the real sticking point is “disabling the old key.” The draft says holders have to disable the old master key themselves, but most people won’t know how. Any old keys left active remain a vulnerability.
Third, the market hasn’t bought into this. XRP was still falling the day the news came out, and is now just above $1. A technical roadmap is a narrative, not cash flow.
When you see “quantum-resistant” news about any blockchain, ask three questions:
What algorithm does it use, and is it a NIST standard?
What’s the cost? How many extra bytes per transaction, and who pays?
How will the old keys be retired? Is there an enforcement mechanism?
The third question is the most important—and the one people bring up the least.
When was the last time you used your XRP wallet?
If you’ve used it, your public key is already on the ledger. Would you change your keys now?
#XRP账本2027路线图提议抗量子签名