About
Building Common Futures, a new energy transition consultancy. 35+ years of experience in the energy transition. Posting here on energy, climate &more 100% renewable energy globally by 2050 is possible! Views my own. ( searchable )
Metadata
DID Document
{
"@context": [
"https://www.w3.org/ns/did/v1",
"https://w3id.org/nostr/context",
"https://w3id.org/security/suites/ed25519-2020/v1"
],
"id": "did:nostr:d448ee236f5e5392962b8e05f504d344dcbc7932c02002b07c1dc298b6bb19c0",
"verificationMethod": [
{
"id": "did:nostr:d448ee236f5e5392962b8e05f504d344dcbc7932c02002b07c1dc298b6bb19c0#key1",
"controller": "did:nostr:d448ee236f5e5392962b8e05f504d344dcbc7932c02002b07c1dc298b6bb19c0",
"type": "SchnorrVerification2025"
}
],
"authentication": [
"#key1"
],
"assertionMethod": [
"#key1"
],
"profile": {
"id": "did:nostr:event:48286e584a17088a36aedd41e1f3a52040e217349bcdee2593276c491821bdb5",
"name": "Kees van der Leun",
"about": "Building Common Futures, \na new energy transition consultancy. \n35+ years of experience in the energy transition. \nPosting here on energy, climate &more \n100% renewable energy globally by 2050 is possible!\nViews my own.\n( searchable )",
"picture": "https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/accounts/avatars/109/327/230/233/195/514/original/8763cba7e21c6d24.jpg",
"banner": "https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/accounts/headers/109/327/230/233/195/514/original/f635e7c235fe8c1c.png",
"nip05": "Sustainable2050@mastodon-energy.mostr.pub",
"created_at": 1772443177,
"updated_at": "2026-03-02T09:19:37.000Z"
},
"service": [
{
"id": "did:nostr:d448ee236f5e5392962b8e05f504d344dcbc7932c02002b07c1dc298b6bb19c0#bitcoin-taproot",
"type": "TaprootAddress",
"network": "tbtc4",
"serviceEndpoint": "tb1p63ywugm0tefe993t3czl2pxngnwtc7fjcqsq9vrurhpf3d4mr8qqmnjlmy"
},
{
"id": "did:nostr:d448ee236f5e5392962b8e05f504d344dcbc7932c02002b07c1dc298b6bb19c0#bitcoin-mainnet-taproot",
"type": "TaprootAddress",
"network": "btc",
"serviceEndpoint": "bc1p63ywugm0tefe993t3czl2pxngnwtc7fjcqsq9vrurhpf3d4mr8qqvmyspt"
}
]
}
Raw JSON
{
"_id": "67fb0e3a01976a34b64f2fa6",
"pubkey": "d448ee236f5e5392962b8e05f504d344dcbc7932c02002b07c1dc298b6bb19c0",
"content": "{\"name\":\"Kees van der Leun\",\"about\":\"Building Common Futures, \\na new energy transition consultancy. \\n35+ years of experience in the energy transition. \\nPosting here on energy, climate &more \\n100% renewable energy globally by 2050 is possible!\\nViews my own.\\n( searchable )\",\"picture\":\"https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/accounts/avatars/109/327/230/233/195/514/original/8763cba7e21c6d24.jpg\",\"banner\":\"https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/accounts/headers/109/327/230/233/195/514/original/f635e7c235fe8c1c.png\",\"nip05\":\"Sustainable2050@mastodon-energy.mostr.pub\",\"fields\":[[\"Expert in\",\"the energy transition\"],[\"Driven by\",\"the need for climate action\"],[\"Closely follows\",\"Ukraine's liberation drive\"],[\"Lives in\",\"Utrecht, the Netherlands\"]]}",
"created_at": 1772443177,
"id": "48286e584a17088a36aedd41e1f3a52040e217349bcdee2593276c491821bdb5",
"kind": 0,
"sig": "688a92c6690299e48e9db972603cba383adbd067ef0a41545182d2c8a649118b70da1acaad8b6e31740c49772aa65c047ce4e996bb25f28f0a66a41a517fa130",
"tags": [
[
"proxy",
"https://mastodon.energy/users/Sustainable2050",
"activitypub"
],
[
"client",
"Mostr",
"31990:6be38f8c63df7dbf84db7ec4a6e6fbbd8d19dca3b980efad18585c46f04b26f9:mostr",
"wss://relay.ditto.pub"
]
],
"updated_at": "2026-03-02T09:19:37.000Z"
}