I absolutely love this orange capsule design; it perfectly embodies the spirit of Bitcoin holer, I have two questions.
How can I ensure the input UTXO won't be double-spent or invalidated by the issuer before the unlock date in 2050?
Since the transaction fee is hardcoded now, what happens if the pre-set miner fee is insufficient to be confirmed by the network in 2050? Is RBF or CPFP supported
Great questions all around again.
How can I ensure the input UTXO won't be double-spent or invalidated by the issuer before the unlock date in 2050?
You cannot ensure that the issuer will not sweep your funds. Just like any physical bitcoin creator, TRUST is everything. If its something that you cannot live with in the back of your head then I would not recommend buying from me at all. Or from anyone else for that matter. I can be the biggest scammer to come your way since Yogg right? You can never know. You either trust or you don't. I am in the same boat when I buy collectables and have such high value like Bitbills and Cas items that if it was not for me to trust those makers then I would not be hodling them.
So no matter how I tell you to check my reputation and all that good stuff, its really up to you. If you don't then do not buy period...you will sleep better.
Since the transaction fee is hardcoded now, what happens if the pre-set miner fee is insufficient to be confirmed by the network in 2050? Is RBF or CPFP supported
Yes it is RBF supported. The miners fee I set now is over at $1 and sometimes higher depending on the UTXO size. I am sure that $1 amount in SATS will be worth much much more in the future and will be more than enough for the TX. See below..
{
"addresses": [
"bc1q0jc7nnys8wcp7c0q855yjuyp9rr66rnd7nmerg",
"bc1qva8sqyhnnynfzpyfq79f4xr5v0tvak8jnrhz94"
],
"block_height": -1,
"block_index": -1,
"confirmations": 0,
"double_spend": false,
"fees": 110,
"hash": "a77119a421fb82450589190819d40fb6ad734f7617467cbe61f5a9c30039d457",
"inputs": [
{
"addresses": [
"bc1q0jc7nnys8wcp7c0q855yjuyp9rr66rnd7nmerg"
],
"age": 933728,
"output_index": 0,
"output_value": 10000,
"prev_hash": "0bbd15ea8d8643dd283d7b1f28f6cd0c8d5fbc50a12c603213ab1c7758844797",
"script_type": "pay-to-witness-pubkey-hash",
"sequence": 4294967293,
"witness": [
"3044022021173e4bd7b82ebd4dca2881928aba75788a7024508b3fc5b0374733e54ea4ac02200f2
11baa11752ce5b6a42eee727c80b684213491fb48d94db30974b3cc3dffa501",
"0364f9897d4664df90ff6d6b721011f0579dad9f540021818a0f23485c5be4c50d"
]
}
],
"lock_time": 4102462801,
"opt_in_rbf": true, "outputs": [
{
"addresses": [
"bc1qva8sqyhnnynfzpyfq79f4xr5v0tvak8jnrhz94"
],
"script": "0014674f0012f39926910489078a9a987463d6ced8f2",
"script_type": "pay-to-witness-pubkey-hash",
"value": 9890
}
],
"preference": "low",
"received": "2026-01-26T08:13:46.602260865Z",
"relayed_by": "3.208.25.226",
"size": 191,
"total": 9890,
"ver": 2,
"vin_sz": 1,
"vout_sz": 1,
"vsize": 110
}