You also can done it with bitcoin-cli by :
1.
getblockhash 2779950000000000000002646768bcc5062a072fd97339f9830fa2e4fe83d9478ebd5a
2.
getblock 0000000000000002646768bcc5062a072fd97339f9830fa2e4fe83d9478ebd5a{
"hash": "0000000000000002646768bcc5062a072fd97339f9830fa2e4fe83d9478ebd5a",
"confirmations": 300833,
"strippedsize": 115716,
"size": 115716,
"weight": 462864,
"height": 277995,
"version": 2,
"versionHex": "00000002",
"merkleroot": "7312bf0903cdc30cfdaf84c70a98bf34a4b49b3529803e9318c92b3893198d09",
"tx": [
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"time": 1388533521,
"mediantime": 1388530881,
"nonce": 981059396,
"bits": "1903a30c",
"difficulty": 1180923195.258026,
"chainwork": "0000000000000000000000000000000000000000000009ef1be5355dcb0ddff8",
"nTx": 188,
"previousblockhash": "0000000000000002cef6a921d36360ad5099025a5cb8fb7d29ab50c1ac96b9a4",
"nextblockhash": "0000000000000001eac750e8f6b9226e009856cbea1f9e05ed5874056218deea"
}
3. Use JSON reader to obtain only Transaction ID
4. Repeat until block height #1